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fuel pump relay ground and power
1997 GMC Yukon 5.7 vortec 4X4 This started 10 minutes or so after I left a car wash, it didn't spit or sputter just died on the road. After a fair bit of diag and changing the pump i discovered that pin 87 ( should just be constant power ) is also a ground to the body. I don't know how this is...- greenturdyukon
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- fuel pump fuel pump relay fuelpump k1500 k1500 gmc wiring suburban tahoe wiring yukon yukon xl
- Replies: 7
- Forum: Engine Performance + Maintenance
