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Discussion Starter · #1 ·
where is the fan clutch relay at? i have the codes:
P0480-cooling fan 1 control circuit open (low speed fan)
p0483-fan speed
had a guy put a new fan clutch in and it still wont engage. kinda stuck in a tight spot. and ideas?
 

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if clutch was replaced, and still no worky, check for power at connector, likely the tipm is shot, but a simple relay can power up your fan circuit.

here is a thread with the wiring diagram, (you might have to sign up to the forum to see the picture/attachments, its a free site)

fan clutch wiring - 04.5-07 HPCR 325/610 motors - ABDiesels.com
 
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