2.9l 88 bronco 2 no spark 12 v at spout connector?

270

Asked by Jack Sep 23, 2017 at 01:47 PM about the 1988 Ford Bronco II Eddie Bauer 4WD

Question type: Maintenance & Repair

88 bronco 2 just suddenly lost spark, disconnect
spout and i get spark. Replaced everything in
ignition side. Except wiring. Please help??

5 Answers

270

Thanks for thebquick response. I replaced the ecm about a year ago, but just found out the gloor boars all around the ecm were soaked when it died.. Was running fantastic till the rain.

1 people found this helpful.
270

One last question, that 12 volts goes down to .6 v at the spout when i reconnect the tfi module. Does that matter?

3 people found this helpful.
270

Thanks alot! I pulled the ECM and took the case off, it was burnt up on one of the small circuit boards.. Guess ill start shopping. Thanks again! Btw until i get the leak figured out could i wrap the new one in plastic or ductape to seal it?

1 people found this helpful.

Check the EEC ground at the negative battery post, or body ground near the starter relay. It is important to have a good ground on pin 20,40, and 60 at the pcm.

120

Most likely a bad TFI module, located on the back of the distributor. If and when it dies you get no spark and of course a no start as a result. They get hot and fail pretty frequently it seems. You can remote mount it if you wish and that seems to keep them from dying....https://www.therangerstation.com/how-to/ignition-charging-computers/remote- mounted-tfi-ignition-module/

3 people found this helpful.

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