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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Engine Controls - Tests W/Codes - 8.0L) >> No-Start Tests >> Test NS-6C - Correcting No Response Condition

Test NS-6C - Correcting No Response Condition

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  section at the end of this article.
  1. Disconnect fuel pump harness connector. Using scan tool in ohmmeter mode, check resistance of fuel pump relay connector, fuel pump relay output circuit (Dark Green/Black wire). If resistance is less than 5 ohms, repair short to ground in Dark Green/Black wire. Replace fuse. Perform TEST VER-1.
  2. If resistance is more than 5 ohms, check Light Green/Black wire for intermittent short. Repair circuit as necessary. Replace fuse. Perform TEST VER-1. If circuit is okay, replace fuel pump. Replace fuse. Perform TEST VER-1.
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