Question about 1993 GMC Sierra K1500
1994 gmc sierra 1500 brake light not working replaced switch and relay
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Brake lights quit working.
if all fuses and bulbs are ok get to the brake switch and see ifits stiff or stuck, if it just has two wires on it you could join themtogether to see if the brake lights come on though obviuosly dont leave them joined.Good luck davelee
Posted on Mar 23, 2009
next is to check the wiring at the signal light switch,check were the connecter from the switch plugs into the main harness this is located at the lower part of the steering column, its common for the brake light hot wire to heat up there causing a bad connection, ive repaired a few of these, also heres a wiring diagram to help you, hope this is helpful.
Posted on Feb 13, 2010
actually it is very basic check the associated fuse if good go to the reverse nuetral saftey switch you should see power on a wire and when you go into reverse you will see power on two wires....let me know
Posted on Aug 31, 2009
i have a 1989 gmc sierra that is having brake light and rear parking light issues. recently my truck was hit from the front and taken to a body shop for repairs. a couple days after i got it back my tail lights started acting up. during the day when parking lights and headlights arent needed my brake lights work fine but when the blinkers are on the are very slow in blinking. once the parking lamps/headlights come on the brake lights nor rear parking lamps come on. what can i do to fix this
Posted on Apr 12, 2010
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