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Peterbilt Turn Signal Switch

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Turn Signal Switch for 1988-1998 Peterbilt 378Turn Signal Switch for 1988-1998 Peterbilt 378
A-Premium®Part # APTSS337
Turn Signal Switch for 1988-1998 Peterbilt 378
4.692 Reviews
$53.99
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 378: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Quantity1
ColorWhite
Part interchange
9785411, 1606432, TL10750, 73469RB
item #1012ZWR9
Note
This item comes with 16 Bulb Capacity & 8 Wire Harness With relay & Chrome.
Show less
AISIN Turn Signal Switch for 1988-1998 Peterbilt 378
AisinPart # TSSAZ-00075
AISIN Turn Signal Switch for 1988-1998 Peterbilt 378
4.692 Reviews
$64.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 378: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Part interchange
9785411, 1606432, TL10750, 73469RB
ConditionNew
item #1018EY5R
Show less
Turn Signal Switch for 1987-1994 Peterbilt 377
A-Premium®Part # APTSS337
Turn Signal Switch for 1987-1994 Peterbilt 377
4.692 Reviews
$53.99
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 377: 1987 1988 1989 1990 1991 1992 1993 1994
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Quantity1
ColorWhite
Part interchange
9785411, 1606432, TL10750, 73469RB
item #1012ZY6Y
Note
This item comes with 16 Bulb Capacity & 8 Wire Harness With relay & Chrome.
Show less
Turn Signal Switch for 1987-1998 Peterbilt 379
A-Premium®Part # APTSS337
Turn Signal Switch for 1987-1998 Peterbilt 379
4.692 Reviews
$53.99
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 379: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Quantity1
ColorWhite
Part interchange
9785411, 1606432, TL10750, 73469RB
item #1012ZZ41
Note
This item comes with 16 Bulb Capacity & 8 Wire Harness With relay & Chrome.
Show less
AISIN Turn Signal Switch for 1987-1994 Peterbilt 377
AisinPart # TSSAZ-00075
AISIN Turn Signal Switch for 1987-1994 Peterbilt 377
4.692 Reviews
$64.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 377: 1987 1988 1989 1990 1991 1992 1993 1994
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Part interchange
9785411, 1606432, TL10750, 73469RB
ConditionNew
item #1018EWS0
Show less
AISIN Turn Signal Switch for 1987-1998 Peterbilt 379
AisinPart # TSSAZ-00075
AISIN Turn Signal Switch for 1987-1998 Peterbilt 379
4.692 Reviews
$64.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits Peterbilt 379: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Peterbilt
Item LocatedUnited States
Part interchange
9785411, 1606432, TL10750, 73469RB
ConditionNew
item #1018G1QQ
Show less

What does a turn signal switch do?

 An automotive turn signal switch is a component in a car's steering column that enables the driver to indicate the direction in which they intend to turn or change lanes. When the driver moves the turn signal lever up or down, it activates a switch that sends an electrical signal to the car's turn signal lights, causing them to flash on the front and rear of the car to indicate the intended direction of the turn or lane change. In addition to indicating the direction of the turn, the turn signal switch also cancels the signal automatically after the turn is completed or when the steering wheel is straightened. The turn signal switch is an important safety feature in a car as it alerts other drivers of the driver's intended maneuver, reducing the risk of accidents or collisions.

Turn signal switch replacement

Replacing a turn signal switch is a task that may be required if the switch fails or malfunctions, causing the turn signals or hazard warning lights to stop working. It's important to ensure that the new switch is compatible with the vehicle's make and model and is of high quality to ensure safe and reliable operation.

While replacing the turn signal switch can be done as a DIY project, it can be a complex task that requires mechanical skills and knowledge. If you're not confident in your ability to perform the task, it's best to seek the assistance of a professional mechanic. You can refer to these steps when you need to change the turn signal switch:

  1. Disconnect the battery
  2. Remove the steering wheel cover
  3. Remove the old turn signal switch. You may need to use a screwdriver or socket wrench to remove the screws.
  4. Position the new turn signal switch in place and secure it using the mounting screws. Reconnect any electrical connectors that were removed earlier.
  5. Once the new turn signal switch is in place, reattach the steering wheel or column cover, ensuring that all screws or clips are properly secured.
  6. Finally, reconnect the negative battery cable to the battery and test the new turn signal switch by activating the turn signals and hazard warning lights.