Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.

8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
103,020 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
1999 GMC Jimmy electrical problems

electrical problem

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1999 GMC Jimmy Owner Comments

problem #1

Nov 022010

Jimmy 4X4 SLE V6

  • Automatic transmission
  • 103,020 miles

A D V E R T I S E M E N T S

I am convinced that the 1999 and 2000 GMC Jimmy,Envoy and Chev Blazer are a mix of all three. I recently installed a remote start on my 1999 Jimmy, and with 14 different wiring diagrams, and the help of a 40 year GM mechanic with every certification there is, we finally got it working, and it works fine believe it or not, BUT IT TOOK 8 DAYS ! We are both retired, and it was a very long 8 days. None of the diagrams or instruction sets currently available were correct. We compared them to the diagram for my 2005 Envoy, and everything on the Envoy diagram is exactly correct. During our "journey" we discovered the solution to some other problems that have appeared here. For the gas gauge, you need to buy a NEW Delphi Gas Tank Sending unit, but it is only the arm on the sending unit that's bad. The temp gauge not working is a bad BCM, so we replaced it. Finally, we disconnected the battery, charged it to full charge, installed the new BCM and gas sending unit, reconnected the battery, cycled through the code reset with the ignition key method, and believe it or not, everything now works perfectly. DO NOT BUY PARTS FROM THE DEALER. ther are many reputable firms on-line, and we only paid $176 for a brand new guaranteed Delphi Sending unit - BE SURE IT ISN'T MEXICAN.

- , Grand Rapids, MI, USA

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