Fan Control Circuit engine shutoff
11-05-2020, (Subject: Fan Control Circuit engine shutoff ) 
Post: #12
RE: Fan Control Circuit engine shutoff
(11-05-2020 )snailexpress Wrote:  I would check OEM wire harness first. If wire from FAN CONTROL pin has shorts with other wires in harness or bad ground on solenoid or relay ( I don't have your truck schematic) it will create a lot of strange things.
Go to cumminsquickserve there is procedure to test. look into truck schematic for shared ground connections.

I had already disconnected the oem ecu connector and thats where i am reading the output voltages
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RE: Fan Control Circuit engine shutoff - INTERPRO - 11-05-2020



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