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Old 07-30-2019, 10:17 PM   #1 (permalink)
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1991 Prelude No Spark

My son bought this car as a project two months ago. According to the PO it was running fine and just stopped. He could not get it going again so he sold it to my kid.

I know this subject was brought up in previous posts but they were old and I wanted to get a new thread going.

We have fuel but not spark out of the coil. I was wondering what the sequence of events was once the key is turned. What I mean is: 12v goes to the coil, then a 12v signal is sent to the ECU which then sends a signal back to the coil telling it that it can do it's thing.-something like that.

With the wiring diagram we have I can't tell the sequence of events.

Also any advice as to what could prevent the coil from sparking would be great.

These things are a lot different than my 1971 VW Bus.

Thanks in advance.

Last edited by GrouchoGoat; 07-30-2019 at 10:27 PM. Reason: Wrong year given
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