Question about GMC Cars & Trucks
With that turn signals don't make a sound either. Only fuse I see that I check is fuse 42 marked rdo.
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Posted on Jan 02, 2017
SOURCE: 2008 GMC Sierra Electrical Fuses
there should be in the underhood fuse box one or 2 accesory fuses made just for your purpose(add ons) They should even be labeled as such or some similar words that one would define as an accesory or add on. Might even be spelled out in the manual.
Posted on Apr 06, 2009
check fuse under hood, batery terminals coroded wire at harness if everything fails run a hot wire to rear brake line with an interuptor.
check the swich under the foot brake.
Posted on Sep 09, 2009
May want to look at replacing the wiper circuit board.It is located on the firewall adjacent to the wiper motor and has a some what square black cover with 3 torx screws and wireing harness pluged into the side.We had a truck that every time you washed it the wipers would stay on until it dryed out.You can try removing it and spaying it down with contact cleaner just watch the brease on the two contact tips.Well hope this helps.
Posted on Feb 05, 2010
This problem seems to be the ECM (computer) to have so many things acting up at the same time. Did it all start at the same time? Its possible that you can reset the ECM by removing the hot and ground cables, wait about 15 minutes and then replace them, may fix the problem, may only temporarily fix the problem if the ecm is bad or something is setting a code to cause this. It sounds as if it is running in limp mode. Have it tested at the nearest parts store. They should be able to decipher the problem.
Posted on Sep 14, 2011
Testimonial: "Thank you....everything did start at one time How much do you think it will cost to have it repaired"
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