bigfoot

I had to make a panic stop yesterday near Austin TX. A few miles after this I noticed that the AC was not working. I found a fuse had blown, I replaced the fuse and it keeps blowing. .

Edit:I should clarify the blower is working good the problem is that the compressor will not engage.

Has anyone had the same problem if so where was the short located?

JKM

Start unplugging one thing at a time , ie- compressor clutch , pressure switches , etc , and see when the fuse stops blowing, that will narrow down your problem.

i_love_deisel

this could be a problem, i wouldnt trust me im only 16 but i am dang sure that your pump just needs to be recharged?

clutch1

get yourself a circuit breaker and put it in the fuse location and do like JKM said.

clutch1

If the system is low on refrigerant the low pressure switch will keep the compressor from operating without lube. now the wires going to the switch could short and blow a fuse.

ScottN

I had the problem... on a 2005 International 9100i. :P (aside: neat feature, the truck didn't use fuses, but a crap load of mini circuit breakers - really nice as you are no longer stuck without a fuse!)

Trace wires and look for rubbing, that's probably what's going on. Another good start is to unplug the clutch, and test it's resistance (in theory, you could have a short that has some resistance - enough to not blow a fuse on its own, but only when the clutch is also taking power).

Edit: Oh, and assuming it is a wiring problem... make sure to fix it properly... don't use those barrel crimp connectors to remove the rubbed part, they fill up with crap then rot the wires (and corrode the conductors a LONG way back into the wire, making future service crappy)... I would probably cut, solder, and seal with heatshrink (preferably with glue and/or silicone seal).

bigfoot

Thanks your suggestion all made since. I’ll do that today and let ya’ll know.