|
Re: 89 F-150 4.9L No Spark
G'day Phill, the TFI module works independently to the ECU
for base timing, the ECU only controls advance. I would
suggest on a running vehicle you could disconnect the ECU
and still have spark. 
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle |
Video