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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 4383
Experience:  Owner at DJ Wilson
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I have a problem with a peterbilt tractor right blinker dies

Customer Question

I have a problem with a peterbilt tractor right blinker dies work when lights off when head lights and marker lights go on it stops blinking can i get some help please
Submitted: 7 months ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 7 months ago.
Hi my name is***** will be glad to help. What is the year and chassis model? 379?
Customer: replied 7 months ago.
Yes 379
Customer: replied 7 months ago.
Lights are led also
Customer: replied 7 months ago.
When i put original turn signals back on it works
Expert:  Daniel Wilson replied 7 months ago.
What year truck? Is this multiplexed? If so the Leds will throw off the body control module. If the older fuse and relay system then the LEDs can only be wired one way for + and - or they will not work.
Customer: replied 7 months ago.
2000 peterbilt 379
Customer: replied 7 months ago.
Even with no turn signals on the truck and the plug taken away from the firewall I still won't get no right blinker with the lights on
Expert:  Daniel Wilson replied 7 months ago.
Let me post the schematics for you
Customer: replied 7 months ago.
Thank u
Expert:  Daniel Wilson replied 7 months ago.
Schematics
Expert:  Daniel Wilson replied 7 months ago.
Do you have the optional daytime running lights? If so the module could be kicking them out
Expert:  Daniel Wilson replied 7 months ago.
Click on this link for the complete set of diagrams.Schematics 2
Expert:  Daniel Wilson replied 7 months ago.
Hi, Did you get this resolved?

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