ground strap corrodes from block to frame

Asked by Mar 26, 2017 at 03:15 PM about the 1991 GMC Sierra 1500 C1500 SLE Extended Cab LB

Question type: Maintenance & Repair

notice ground strap has been turn greenish like corrosion gages flickers and
idle reel low then sometimes idles perfect

1 Answer

73,125

Yes, sounds like it needs replacing, Also check from the body to the engine's ground, That one will mess with your gauges.

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