Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Test 14, TFI Module Run Circuit Check


1. Disconnect wire at distributor TFI ignition module.
2. Attach 12 volt DC test light between module connector wire 16 (R/LG) and ground.
3. Turn ignition key to RUN position and observe test light.
4. If light illuminates, proceed to TEST 15.
5. If light does not illuminate, repair open in TFI module circuit 16, then try to start engine. If engine does not start, problem is in ECA related circuits.