LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1990 >> APV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System (Gasoline) >> Fuel Pump Relay By-Pass Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump Relay By-Pass Procedure

If fuel pump will not energize, relay may be by-passed to test fuel pump. Turn ignition off. Using a fused jumper wire, apply battery voltage to fuel pump test connector. Fuel pump should turn on. For fuel pump test connector location, refer to I - SYSTEM/COMP LOCATION article.