Odd electrical issues.

elliottw

Member
Jan 23, 2013
390
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My LBZ which is my favorite dmax to date and has been almost perfect just rolled 100k and within 200 miles the service brake light/abs came on along with my fuel level acting really weird:rofl:. At ignition on the brake lights come on and stay on and the fuel gauge always says level low at start up, the level will eventually rise sometimes to the correct level (tracking mileage) or it will be just above empty.

I no longer work as a GM tech so no access to alldata, a tech 2, or SI. If anybody could look or know off the top of their head..are any of the ground points shared for the ABS, EBCM, fuel level sender? Issues could be unrelated but they both started at the exact same time so I'm of the mind that it's a shared issue.

Any advice appreciated, thanks.