P0480

5992 Views 2 Replies 2 Participants Last post by tapcola, May 28, 2017

tapcola

Discussion Starter · May 28, 2017

Cooling fan circuit open .
So I installed a Swich Pro yesterday and drove it around a bit last night , no problem. Then this morning my light comes on . All I did with the SP is tap into the running light and the M7 fuse witch I moved up one slot per the instructions. The fan still works It dosent clear the code it comes right back .
I have a 2013 JKUR .
WTF ?

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0lllllll0 RPMEXTREME

· #2 · May 28, 2017

tapcola said:
Cooling fan circuit open .
So I installed a Swich Pro yesterday and drove it around a bit last night , no problem. Then this morning my light comes on . All I did with the SP is tap into the running light and the M7 fuse witch I moved up one slot per the instructions. The fan still works It dosent clear the code it comes right back .
I have a 2013 JKUR .
WTF ?

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The cooling fan is PWM controlled by the TIPM. Power and ground for the fan go directly to the battery and ground G904A
The signal wire comes from the TIPM and is lower voltage frequency based.

Fuse M7 says its for the rear power outlet.

G904A does share the same ground for the fan, marker lights, turn signal and horn. I'm guessing thats your issue or you taped into the wrong wire at the running light.

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tapcola

Discussion Starter · #3 · May 28, 2017

That was it ! Thank you so much!

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