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Discussion Starter · #1 ·
Had cooling fan relay go bad (or so I thought), which caused fan to run on and drain battery.
Swapped relay with aftermarket relay and resolved issue, however the aftermarket shorted out and literally caught fire, which took some wiring with it, but stopped short of battery box and harness.
I ordered new OEM fan and relay/connectors from Gates, however now the fan is back to running.
I've noticed that the connector is providing voltage and the ECM feed is providing voltage indicating that something is telling the fan to run. I suspect that I may have a bad ECM now, as I'm receiving a ECM-P048012 (circuit short to battery) and P048013 (circuit open).
Any thoughts on bad ECM?
 
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