What Does A Spark Plug Do
Spark plugs can make or break your engine’s performance. Understand how they work, how to recognize a faulty one, and get expert advice on choosing the right spark plug for better engine health.
Jul 21, 2026
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Buick Century Spark Plug Wire
75 itemsMisfires, rough idle, or weak acceleration can start with aging ignition wires. Replace your spark plug wires set to help deliver steady spark and restore smoother engine performance.
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Walker ProductsPart # 924-1554
Walker Products 924-1554 Spark Plug Wire Set
4.73 Reviews
$62.99
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3-year warranty
90 days free return
Fits 2002-2002 Chevrolet P30, 2000-2002 Chevrolet Sonora, 2000-2000 GMC Yukon, 1999-2000 Cadillac Escalade, 1999-2000 Chevrolet L30, 1999-1999 Chevrolet K1500, 1999-1999 GMC C1500, 1999-1999 GMC K1500, 1998-2003 Chevrolet W4500 Tiltmaster, 1998-2002 GMC W4500 Forward, 1998-1999 GMC Yukon, 1998-1998 GMC K2500, 1997-1999 Chevrolet Cargo Van, 1997-1998 Chevrolet K2500, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 3500, 1996-2002 GMC Savana 1500
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1554
item #1001PQ5V
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DensoPart # 671-4045
Spark Plug Wire Set - Denso 671-4045
51 Reviews
$45.99
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3-year warranty
90 days free return
Fits 1998-2003 Chevrolet S10, 1998-2003 GMC Sonoma, 1998-2000 Isuzu Hombre, 1995-1997 Pontiac Sunfire, 1994-1995 Chevrolet LLV, 1994-1995 GMC Sonoma, 1993-1997 Chevrolet Cavalier, 1993-1996 Buick Century, 1993-1996 Oldsmobile Cutlass Ciera, 1993-1993 Chevrolet Lumina, 1992-1996 Chevrolet Beretta, 1992-1996 Chevrolet Corsica
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-4045, MSW1780, MSW1736, MSW1793, 35-4126, 714, 6714045, GMX082,
...View moreitem #1002HUH8
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DensoPart # 671-6042
Spark Plug Wire Set - Denso 671-6042
51 Reviews
$47.99
Low stock: Only 3 left
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3-year warranty
90 days free return
Fits 1995-1996 Oldsmobile Cutlass Ciera, 1994-1996 Buick Century, 1994-1994 Oldsmobile Cutlass Ciera, 1994-1994 Oldsmobile Cutlass Cruiser, 1994-1994 Oldsmobile Cutlass Supreme, 1993-1993 Oldsmobile Cutlass Supreme
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6042, MSW1777, 35-6140, 6716042, 726D, 746M, 11-6005M, 2X1082,
...View moreitem #1003172Y
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DensoPart # 671-6019
Spark Plug Wire Set - Denso 671-6019
51 Reviews
$53.99
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3-year warranty
90 days free return
Fits 1999-1999 Oldsmobile Alero, 1999-1999 Pontiac Grand Am, 1999-1999 Pontiac Montana, 1997-1999 Buick Century, 1997-1999 Chevrolet Malibu, 1997-1999 Chevrolet Venture, 1997-1999 Oldsmobile Cutlass, 1997-1997 Oldsmobile Cutlass Supreme, 1996-1999 Oldsmobile Silhouette, 1996-1998 Pontiac Trans Sport, 1996-1996 Chevrolet Lumina APV, 1995-1999 Chevrolet Lumina, 1995-1999 Chevrolet Monte Carlo, 1995-1996 Oldsmobile Cutlass Supreme, 1994-1999 Pontiac Grand Prix, 1994-1998 Buick Skylark, 1994-1998 Oldsmobile Achieva, 1994-1998 Pontiac Grand Am, 1994-1996 Buick Regal, 1994-1996 Chevrolet Beretta
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6019, MSW1797, MSW1778, 35-6117, 710, 6716019, 726F, 746V,
...View moreitem #100315W8
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DensoPart # 671-6012
Spark Plug Wire Set - Denso 671-6012
51 Reviews
$49.99
Low stock: Only 5 left
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3-year warranty
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Fits 1991-1994 Isuzu Pickup, 1991-1993 GMC Sonoma, 1991-1992 Isuzu Rodeo, 1989-1991 Isuzu Trooper, 1986-1986 Oldsmobile Cutlass Ciera, 1985-1993 Chevrolet S10, 1985-1990 GMC S15, 1985-1989 Chevrolet Camaro, 1985-1989 Chevrolet S10 Blazer, 1985-1989 GMC S15 Jimmy, 1985-1989 Pontiac Firebird, 1985-1986 Chevrolet Celebrity, 1985-1986 Pontiac 6000, 1985-1985 Buick Skylark, 1985-1985 Chevrolet Citation II, 1983-1986 Buick Century, 1983-1983 Oldsmobile Cutlass Ciera
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6012, 35-6110, 412, MSW1818, 6716012, IX47, 706N, 906B,
...View moreitem #1003156E
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Walker ProductsPart # 924-1552
Walker Products 924-1552 Spark Plug Wire Set
4.73 Reviews
$66.99
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3-year warranty
90 days free return
Fits 2019-2019 Ford Fiesta, 2018-2019 Ford Fiesta, 2018-2019 Ford Fiesta, 2018-2018 Ford Fiesta, 2014-2015 Ford Fiesta, 2011-2013 Ford Fiesta, 2011-2011 Chevrolet Impala, 2010-2013 Chevrolet Express Cargo, 2010-2010 Chevrolet Impala, 2009-2011 Buick Lucerne, 2009-2010 Volkswagen Routan, 2008-2014 Chevrolet Express 1500, 2008-2014 GMC Savana 1500, 2008-2010 Chrysler Town & Country, 2008-2010 Chrysler Town & Country, 2008-2010 Dodge Grand Caravan, 2008-2010 Dodge Grand Caravan, 2008-2009 Buick Allure, 2008-2009 Chevrolet Equinox, 2008-2009 Pontiac Torrent
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1552
item #1001PRCV
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Walker ProductsPart # 924-1404
Walker Products 924-1404 Spark Plug Wire Set
4.73 Reviews
$47.99
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3-year warranty
90 days free return
Fits 1990-1990 Cadillac Brougham, 1987-1989 Cadillac Brougham, 1987-1989 Pontiac Safari, 1987-1987 Chevrolet Caprice, 1986-1990 Chevrolet Caprice, 1986-1990 Oldsmobile Custom Cruiser, 1986-1986 Cadillac Fleetwood, 1986-1986 Chevrolet Caprice, 1986-1986 Pontiac Parisienne, 1985-1987 Oldsmobile Cutlass Salon, 1982-1988 Oldsmobile Cutlass Supreme, 1982-1987 Buick Regal, 1982-1984 Oldsmobile Cutlass Calais, 1981-1990 Buick LeSabre, 1981-1989 Buick Electra, 1981-1985 Oldsmobile Custom Cruiser, 1981-1985 Oldsmobile Toronado, 1981-1984 Oldsmobile 98, 1981-1983 Buick Estate Wagon, 1981-1983 Oldsmobile Cutlass Cruiser
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1404, 35-8102, 2933, 9044, 3105, 26874, L-4320, 35-87801,
...View moreitem #1001PQ11
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Walker ProductsPart # 924-1514
Walker Products 924-1514 Spark Plug Wire Set
4.73 Reviews
$40.99
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3-year warranty
90 days free return
Fits 1991-1994 Isuzu Pickup, 1991-1993 GMC Sonoma, 1991-1992 Isuzu Rodeo, 1989-1991 Isuzu Trooper, 1986-1986 Oldsmobile Cutlass Ciera, 1985-1993 Chevrolet S10, 1985-1990 GMC S15, 1985-1989 Chevrolet Camaro, 1985-1989 Chevrolet S10 Blazer, 1985-1989 GMC S15 Jimmy, 1985-1989 Pontiac Firebird, 1985-1986 Chevrolet Celebrity, 1985-1986 Pontiac 6000, 1985-1985 Buick Skylark, 1985-1985 Chevrolet Citation II, 1984-1985 Chevrolet Citation, 1982-1986 Buick Century
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1514, 35-6110, 2929, 2954, 9019, 189, 219, 9020,
...View moreitem #1001PS4V
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DensoPart # 671-6046
Spark Plug Wire Set - Denso 671-6046
51 Reviews
$50.99
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3-year warranty
90 days free return
Fits 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2002-2003 Buick Rendezvous, 2001-2005 Pontiac Aztek, 2000-2005 Buick Century, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2005 Chevrolet Venture, 2000-2005 Pontiac Grand Am, 2000-2004 Oldsmobile Alero, 2000-2004 Oldsmobile Silhouette, 2000-2004 Pontiac Montana, 2000-2003 Chevrolet Malibu, 2000-2003 Pontiac Grand Prix, 2000-2001 Chevrolet Lumina, 1999-1999 Oldsmobile Cutlass
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-6046, MSW1623, 35-6143, 6716046, 716DD, 726SS, 726DD, 726UU,
...View moreitem #100317T8
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Walker ProductsPart # 924-1406
Walker Products 924-1406 Spark Plug Wire Set
4.73 Reviews
$45.99
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3-year warranty
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Fits 1981-1981 Buick Century, 1981-1981 Pontiac Firebird, 1981-1981 Pontiac Firebird, 1980-1981 Buick Century, 1980-1981 Buick Regal, 1980-1981 Pontiac Bonneville, 1980-1981 Pontiac Catalina, 1980-1981 Pontiac Grand Prix, 1980-1981 Pontiac LeMans, 1980-1980 Buick Electra, 1980-1980 Pontiac Firebird, 1980-1980 Pontiac Firebird, 1980-1980 Pontiac Firebird, 1980-1980 Pontiac Firebird, 1979-1981 Pontiac Grand LeMans, 1979-1981 Pontiac LeMans, 1979-1980 Buick Century, 1979-1980 Buick Regal, 1979-1979 Oldsmobile Delta 88, 1979-1979 Pontiac Firebird
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1406, 35-8128, 2938, 2946, 9064, 26827, 35-87808, 882,
...View moreitem #1001PQX7
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Walker ProductsPart # 924-1550
Walker Products 924-1550 Spark Plug Wire Set
4.73 Reviews
$42.99
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3-year warranty
90 days free return
Fits 2010-2010 Chrysler PT Cruiser, 2009-2009 Chrysler PT Cruiser, 2008-2009 Chrysler PT Cruiser, 2008-2008 Chrysler PT Cruiser, 2008-2008 Mini Cooper, 2007-2007 Chrysler PT Cruiser, 2007-2007 Mini Cooper, 2006-2006 Chrysler PT Cruiser, 2006-2006 Chrysler PT Cruiser, 2006-2006 Chrysler PT Cruiser, 2006-2006 Chrysler Sebring, 2006-2006 Dodge Viper, 2005-2008 Chrysler PT Cruiser, 2005-2006 Mini Cooper, 2005-2005 Dodge Viper, 2004-2009 Chrysler PT Cruiser, 2004-2008 Chrysler PT Cruiser, 2004-2006 Dodge Ram 1500, 2004-2005 Chrysler Sebring, 2004-2004 Chrysler PT Cruiser
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1550
item #1001PRLU
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DensoPart # 671-8029
Spark Plug Wire Set - Denso 671-8029
51 Reviews
$54.99
Low stock: Only 5 left
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3-year warranty
90 days free return
Fits 1981-1981 Buick Century, 1981-1981 Pontiac Firebird, 1980-1981 Buick Century, 1980-1981 Buick Regal, 1980-1981 Pontiac Bonneville, 1980-1981 Pontiac Catalina, 1980-1981 Pontiac Grand Prix, 1980-1981 Pontiac LeMans, 1980-1980 Buick Electra, 1980-1980 Buick Estate Wagon, 1979-1981 Pontiac Firebird, 1979-1981 Pontiac Grand LeMans, 1979-1981 Pontiac LeMans, 1979-1980 Buick Century, 1979-1980 Buick Regal, 1979-1979 Oldsmobile Delta 88, 1978-1980 Pontiac Bonneville, 1978-1980 Pontiac Grand Am, 1978-1980 Pontiac Grand Prix, 1978-1978 Pontiac Bonneville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8029, 35-8128, MSW1295, 6718029, 608V, 11-828M, 2X1105, QW806,
...View moreitem #100313VZ
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Walker ProductsPart # 924-1414
Walker Products 924-1414 Spark Plug Wire Set
4.73 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1981-1982 GMC C7000, 1980-1982 Chevrolet K30, 1980-1980 Buick Electra, 1980-1980 Buick LeSabre, 1980-1980 Chevrolet C10, 1980-1980 Chevrolet C20, 1980-1980 Chevrolet C20 Suburban, 1980-1980 Chevrolet K10, 1980-1980 Chevrolet K10, 1980-1980 Chevrolet K20, 1980-1980 Chevrolet K30, 1980-1980 GMC K1500, 1980-1980 Pontiac Bonneville, 1980-1980 Pontiac Bonneville, 1980-1980 Pontiac Catalina, 1980-1980 Pontiac Parisienne, 1979-1982 GMC C2500, 1979-1982 GMC C2500 Suburban, 1979-1982 GMC C3500, 1979-1982 GMC K3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1414, 35-8127, 35-8333, 35-8104, 2931, 2943, 9056, 226,
...View moreitem #1001PP5D
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DensoPart # 671-8009
Spark Plug Wire Set - Denso 671-8009
51 Reviews
$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1977-1979 Checker Marathon, 1977-1977 Buick Century, 1977-1977 Buick Century, 1977-1977 Buick Regal, 1977-1977 Buick Regal, 1977-1977 Buick Skylark, 1977-1977 Chevrolet C10, 1977-1977 Chevrolet C10 Suburban, 1977-1977 Chevrolet C20, 1977-1977 Chevrolet C20 Suburban, 1977-1977 Chevrolet G10, 1977-1977 Chevrolet K10, 1977-1977 Chevrolet K10 Suburban, 1977-1977 Chevrolet K20, 1977-1977 Chevrolet K20 Suburban, 1977-1977 Chevrolet K30, 1977-1977 Chevrolet K30, 1977-1977 Chevrolet K5 Blazer, 1977-1977 Chevrolet Malibu, 1977-1977 Chevrolet Monte Carlo
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8009, 118004, 35-8105, 6718009, 96292, 96192, 700244, 908S,
...View moreitem #100314L9
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DensoPart # 671-8007
Spark Plug Wire Set - Denso 671-8007
51 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1985-1986 Chevrolet Caprice, 1985-1985 Pontiac Parisienne, 1983-1986 Pontiac Bonneville, 1983-1986 Pontiac Grand Prix, 1983-1986 Pontiac Parisienne, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C10 Suburban, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C20 Suburban, 1983-1984 Chevrolet C30, 1983-1984 Chevrolet K10, 1983-1984 Chevrolet K10, 1983-1984 Chevrolet K10 Suburban, 1983-1984 Chevrolet K20, 1983-1984 Chevrolet K20 Suburban, 1983-1984 Chevrolet K30
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8007, 35-8103, MSW1275, 6718007, 608E, 11-837M, 2X1109, QW843,
...View moreitem #100315D0
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DensoPart # 671-8006
Spark Plug Wire Set - Denso 671-8006
51 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1990-1990 Cadillac Brougham, 1988-1990 Buick LeSabre, 1987-1989 Cadillac Brougham, 1987-1989 Pontiac Safari, 1987-1987 Chevrolet Caprice, 1986-1990 Chevrolet Caprice, 1986-1990 Oldsmobile Custom Cruiser, 1986-1986 Cadillac Fleetwood, 1986-1986 Chevrolet Caprice, 1986-1986 Pontiac Parisienne, 1985-1987 Oldsmobile Cutlass Salon, 1985-1986 Oldsmobile Cutlass, 1982-1988 Oldsmobile Cutlass Supreme, 1982-1987 Buick Regal, 1982-1984 Oldsmobile Cutlass Calais, 1982-1983 Pontiac Grand LeMans, 1982-1982 Pontiac Parisienne, 1981-1989 Buick Electra, 1981-1986 Buick LeSabre, 1981-1985 Oldsmobile Custom Cruiser
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
671-8006, 35-8102, MSW1299, 6718006, 608B, 11-823M, 2X1104, QW815,
...View moreitem #10031517
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Walker ProductsPart # 924-1592
Walker Products 924-1592 Spark Plug Wire Set
4.73 Reviews
$44.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1985-1985 Buick Electra, 1985-1985 Oldsmobile 98, 1984-1985 Buick Century, 1984-1985 Buick Regal, 1984-1985 Buick Riviera, 1984-1985 Oldsmobile Cutlass Ciera
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1592, 35-6126, 2930, 9027, 9040, 26627, 35-87619, 6627,
...View moreitem #1001PSR9
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Walker ProductsPart # 924-1553
Walker Products 924-1553 Spark Plug Wire Set
4.73 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015-2015 Chevrolet Camaro, 2013-2014 Chevrolet Express 2500, 2013-2014 Chevrolet Express 3500, 2013-2013 Chevrolet Suburban 2500, 2012-2015 Chevrolet Caprice, 2012-2014 Chevrolet Suburban 1500, 2012-2012 Chevrolet Suburban 2500, 2011-2015 Ford F-250 Super Duty, 2011-2015 Ford F-350, 2011-2015 Ford F-350 Super Duty, 2011-2013 Chevrolet Silverado 3500, 2011-2013 GMC Yukon XL 2500, 2011-2013 Ram 1500, 2011-2011 Chevrolet Caprice, 2011-2011 Chevrolet Suburban 1500, 2011-2011 Ram Dakota, 2010-2015 Chevrolet Camaro, 2010-2014 Chevrolet Express Cargo, 2010-2014 Chevrolet Express Pasajeros, 2010-2014 Ford F-150
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Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1553
item #1001PSN3
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Walker ProductsPart # 924-1229
Walker Products 924-1229 Spark Plug Wire Set
4.73 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1990-1992 Chevrolet Lumina, 1990-1990 Oldsmobile Cutlass Cruiser, 1987-1992 Buick Century, 1987-1990 Chevrolet Celebrity, 1987-1987 GMC Safari
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1229, 35-4102, 2918, 9496, 3157, 9014, 27432, L-4208,
...View moreitem #1001PQH3
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Walker ProductsPart # 924-1586
Walker Products 924-1586 Spark Plug Wire Set
4.73 Reviews
$39.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1987 Chevrolet LLV, 1986-1986 Buick Somerset, 1985-1987 Chevrolet Astro, 1985-1987 GMC S15, 1985-1987 GMC S15 Jimmy, 1985-1986 GMC Safari, 1985-1986 Oldsmobile Calais, 1985-1986 Pontiac Fiero, 1985-1986 Pontiac Grand Am, 1985-1985 Buick Somerset Regal, 1984-1986 Buick Century, 1984-1986 Buick Skylark, 1984-1986 Chevrolet Camaro, 1984-1986 Chevrolet Celebrity, 1984-1986 Oldsmobile Cutlass Ciera, 1984-1986 Pontiac 6000, 1984-1986 Pontiac Firebird, 1984-1985 Chevrolet Citation II, 1984-1984 Oldsmobile Omega, 1984-1984 Pontiac Fiero
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Century
Item LocatedUnited States
QuantityOne Set
Part interchange
924-1586, 35-4114, 35-4115, 2950, 9017, 27416, 35-77514, 748,
...View moreitem #1001PP0Y
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What are spark plug wires?
Spark plug wires, also known as ignition cables or spark plug leads, are a set of wires that connect the ignition coil or distributor to the spark plugs in an internal combustion engine. They are responsible for transmitting high-voltage electrical energy from the ignition source to the spark plugs, which ignite the fuel-air mixture in the engine's cylinders.
The spark plug wires typically consist of a central core made of conductive materials such as copper, and an insulating layer made of materials like silicone or rubber to prevent electrical current from leaking. The wires are designed to withstand high temperatures and electrical interference and are often color-coded to ensure correct installation.
Signs of bad spark plug wires
Spark plug wires play a crucial role in ensuring reliable engine performance. Worn or damaged spark plug wires can cause misfires, rough idling, and poor fuel efficiency, so it's important to take regular maintenance and replace them as needed.
Engine knocking
When the spark plug wires fail, the engine may produce a knocking sound, particularly under heavy loads. This can be caused by pre-ignition or detonation, which can occur when the spark plug wires are not delivering enough energy to the spark plugs.
Rough shifting (automatic transmission)
In some cases, a damaged spark plug wire can cause rough shifting in an automatic transmission. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
Burned spark plug wires
If you notice that your spark plug wires are discolored or burned, this can be a sign that they are not functioning properly. Burned spark plug wires can be caused by excessive heat, electrical interference, or other issues.
Poor acceleration
When the spark plug wires are failing, the engine may have trouble accelerating smoothly. This can be due to misfires or other problems related to the spark plug wires.
Stalling
A damaged spark plug wire can cause the engine to stall or cut out, particularly at idle. This can be due to a drop in engine power caused by misfires or other problems related to the spark plug wires.
How to change spark plug wires?
Replacing a spark plug wire set is a relatively simple task, and can usually be completed in under an hour. You can follow these steps:
1. Remove the worn or faulty spark wire set.
To avoid confusion and prevent accidentally switching the wires, it is recommended to replace each spark plug wire individually, starting with the longest one. When removing the wires from either the spark plug or distributor cap, it is important to loosen the connection by twisting or rotating the boot. Yanking or forcefully pulling on the wires may cause them to break. Only pull on the boot and refrain from pulling on the cable.
2. Install the new spark plug wire set
Install the new spark plug wires in the same location as the old wires, making sure to connect each wire to the correct spark plug. If your new spark plug wires have boots, be sure to push the boot firmly onto the spark plug until it clicks into place.
3. Test the new spark plug wires
Once you have installed the new spark plug wires, start the engine and check for any signs of misfires, rough idling, or other problems that could indicate an issue with the spark plug wires. If everything looks good, you're all set!