Hi,

I have been having weird ignition related issues with my 89 Prelude SI, and have it narrowed down somewhat now. I go through igniter modules. I am on my 4th igniter unit (the last one only lasted 2 weeks!) Obviously there is something wrong with my car (a short or something) that is blowing the igniter. I am thinking about installing a fuse somewhere to prevent any further loss of igniter modules while I am figuring out what is wrong, preferably at the unit itself. From the wiring diagrams, I don't see that the ignition components are protected by an individual fuse.

If I did this, what rating fuse should I use? Also, which wire should I install it on (see diagrams below). The black/yellow wire is the power source for the unit, but do you think the engine signal (white) could cause any damage? What about the secondary coil wire (blue)? What about the secondary coil wire (blue)?

Thanks

 

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