Too much timing???

moper said

Unilites have had issues in the past with the optical trigger - the pickup essentially. Given it's always when it's running-temp-hot, I'm leaning towards the pickup going south.

Click to expand...

Which is the reason to look at the polarity of the pickup connection.... reversed will have the same issues as on a Mopar.

Having spent decades in electronics, I never say that an electrical item will only fail in a certain way LOL

But if it holds.... problem solved.