FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test 15, TFI Module Cranking Circuit Check


1. Disconnect wiring at distributor TFI ignition module.
2. Attach a 12 bolt DC test light between module connector wire 32 (R/LB) and ground.
3. Turn ignition key to crank position and observe test light.
4. If test light illuminates, problem is in ECA related circuits.
5. If test light does not illuminate, repair open in circuit 32, then try to start engine. If engine does not start, problem is in ECA related circuits.