ignition module continuesly going out. need help
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New User
Joined: Feb 2004
Posts: 15
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From: Houston, Texas
ignition module continuesly going out. need help
I have a '95 F-150, V-8, 5.0. My ignition module has gone out twice in 2 months and I need to find out why it keeps blowing. Also the fuse for my speedometer and dome light blows allot. Sometimes it will blow every other day for a week or two then it won't blow for a few months. I am thinking I am getting a power surge from somewhere in my truck but there aren't any shops around here that know what may be causing it. I have even run self diagnostic on it and still nothing comes up. Other than my wiring harness my entire ignition system is only 6 months old. If there is anyone oout there who may know how to help me or tell me someone who could help please let me know. I would really like to get these problems solved.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Heat is right. People forget thet the module and the distributor base have to be perfectly clean and free of any nicks burrs or scratches. Then a small amount of heat sink compound is applied b4 mounting the unit. The two faces must meet exactly in order to cool the module.
Also look for a loose charging system or battery cable wire that causes a load dump transient.
Also look for a loose charging system or battery cable wire that causes a load dump transient.
