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Discussion Starter · #1 · (Edited)
wanted to post this in ask a Ram tech but i cant post there

2011 ram 2500 st crew long box 5.7 l gas

Troubleshooting this far

10 am fuse was blown that drove the relay coil power .... fuse location m34
swap relay. test relay on battery .. goes click.

check for continuity thru tipm ..
check wiring..

fan motor is indeed dead.. jumped the connector with alligator clips to battery. will get new one once i figure out the relay issue. see below.

however ...
the relay wont activate when i start the truck and turn on AC.

My question is what conditions need to be present to activate the relay for the fan?.. is it just AC on? or does engine need to be hot? as well?
 

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Discussion Starter · #2 ·
2011 ram 5.7 ac condenser fan dead

new fan works only after disconnecting battery. runs for approx 1 minute then stops. wont turn back on. i

i am assuming it is supposed to be on while ac is running?
 

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2011 ram 5.7 ac condenser fan dead

there are three wires to fan UNTIL the plug on the fan. Then two wires. I thought it had two speeds. Also I have learnt from driving the truck yesterday my fan works! I believe it needed to be driven as I think the fan only comes on as you come to a stop after driving ! Long story short as I pull up to a stop I can hear the fan turn on.
 
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