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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 5570
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: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.
Hi my name is***** will be glad to help. What is the year and chassis model? 379?
Customer: replied 1 year ago.
Yes 379
Customer: replied 1 year ago.
Lights are led also
Customer: replied 1 year ago.
When i put original turn signals back on it works
Expert:  Daniel Wilson replied 1 year 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 1 year ago.
2000 peterbilt 379
Customer: replied 1 year 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 1 year ago.
Let me post the schematics for you
Customer: replied 1 year ago.
Thank u
Expert:  Daniel Wilson replied 1 year ago.
Schematics
Expert:  Daniel Wilson replied 1 year ago.
Do you have the optional daytime running lights? If so the module could be kicking them out
Expert:  Daniel Wilson replied 1 year ago.
Click on this link for the complete set of diagrams.Schematics 2
Expert:  Daniel Wilson replied 1 year ago.
Hi, Did you get this resolved?