Quote:
Originally Posted by 97 SL320
Anyone have an example car side wiring diagram / pin out for the OVP?
This isn't a complicated system so a test bench could be built to mimic the car.
Swapping in a known good unit is always easier but at some point known good units will be getting scarce.
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So once again, with feeling. There is no valid test for an OVP. You would need to isolate the semiconductor and apply a variable voltage source, ranging the voltage from zero to the specified breakdown voltage. For what it would take in time and test instrumentation, you could replace it three times.