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carguyjosh, ASE Certified Technician
Category: Chevy
Satisfied Customers: 2172
Experience:  ASE certified , 16 yrs in field
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The brakes are applied, dash and front parking lights come on

Customer Question

When the brakes are applied, dash and front parking lights come on.
Where should I start?? '86 Silverado
Submitted: 6 years ago.
Category: Chevy
Expert:  carguyjosh replied 6 years ago.

Good evening.


The most likely cause is that a bad stop lamp bulb or electrical socket is back feeding the park light circuit causing the dash to light up..


The first thing that you need to do is remove both of the rear brake light bulbs and hit the brake pedal to see if the problem subsides.


If it does, reinstall the stop bulbs one at a time and press the brake pedal each time to see which bulb or socket is causing the malfunctions.


Please let me know what you find and we'll go from there...


Thanks, Josh

carguyjosh and 5 other Chevy Specialists are ready to help you
Customer: replied 6 years ago.
Thanks again Josh! That got us on the right path. Bulbs and sockets are all OK. This truck has (had) an aftermarket pigtail for trailer lights plugged into the circuit. The problem lived in there and is now living in the trash. When we removed the pigtail and plugged the left and right side plugs together, all was well. I appreciate your help and won't hesitate to call on you all again. Doug
Expert:  carguyjosh replied 6 years ago.

Thats great news...!!!

I'm glad to hear that its all fixed up...


Thanks, Josh