Medium and Heavy Trucks
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Hi I'm Wayne
I will help you with this
I see you been waiting awhile
do you have any codes ??
It starts and runs OK, except A/C ??
Thank you for that
not always will it trip the breaker
check fuse F 13 7.5A 7CL Clutch Circuit
Just following up with you
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so you are saying that it WILL START , in A/C mode
but will NOT START in heat mode ??
Here is the run circuit
check and make sure you have power to the 8,8d wires
That is fine , I will be watching Football here at my computer
that is fine, keep me posted
I am sorry for the delay
JA site has issues, could not get thru to you
Last test , check the #2 wire and 2a wire
need battery voltage on both of them
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NOT THE POOR/BAD SERVICE
Then what you describing is the board has failed
you will need to replace the board
I hope this helped you
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