Need some help 2.9 w/no spark
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Junior User
Joined: Sep 2003
Posts: 58
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Need some help 2.9 w/no spark
I just installed a new engine in my 89 ranger. Now it wont start it has no spark. I have no power at the plug that goes to the distributor. This thing has me stumped I have checked every wire connection and changed the TFI module. The coil has power to it I just cant think of anything that may be the prblem. It was running before I pulled the motor
Postmaster
Joined: Dec 2001
Posts: 3,742
Likes: 2
From: UT
Every wire connection??? That's a lot of wire connections. According to my wiring diagram (Chilton's for an '87), there's a red/green wire that comes off of the ignition switch and feeds power to the ICM, the coil, the EEC relay, and pin 5 of the PCM. Assuming "the plug that goes to the distributor" refers to the ICM connector, I would focus on why this power wire doesn't have power. As I understand these computer controlled ignition systems, the ICM must have power and be functional for the spark plugs to fire. It would appear that red/grn wire has power at the coil, does it have power at the other components it feeds?
Don't forget to check the grounds out, too.
Don't forget to check the grounds out, too.
