product descriptionPerformnce Tool W85107 Straight - IAC Signal Tester for use on 1987 to current GM No. 700 TBI and PFI Fuel Injection Systems with flat 4-pin connectors
1. Disconnect harness connector from injector.
2. Plug test light into connector and start engine.
Flashing light indicates electrical system is functioning correctly.
Steady light or no light indicates malfunctioning electrical system. If problem persists, check fuel system.
Aeronca x 2 weiser 11n