troubleshooting

1987 GMC S15
98,000 MILES • 6 CYL • 4WD • MANUAL
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WYKLE42548
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fuel pump on 87 gmc s15 troubleshooting
Nov 20, 2010 at 1:54 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
Just to add, there should be a fuel pump test connector, under the hood. driverside fender lining. Tan wire with white tracer, electrical connector, nothing plugged into it. If you use a jumper wire with inline fuse to battery +, the pump should run, no need to use the key. In the diagram c8 is the test connector, #3 is the fuel pump relay.

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Nov 20, 2010 at 2:31 PM
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