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Climate control fan troubleshooting

427 views 2 replies 3 participants last post by  early99psd 
#1 ·
So my climate fan does not work on speeds 1 & 2, but works as it's supposed to on 3 & 4.

I know I can search and find out how to troubleshoot the fan on here, so if that is the answer, I can do it.

However, I am looking to see if anyone has a pinout for the fan speed switch. It's easier to access than the fan if I remember what I have read. I could just buy a new switch from the part store and see if that fixes it, but I really don't have the funds to spare to replace for the sake of troubleshooting. Any help would be greatly appreciated!
 
#2 ·
See if you can check on your fan resistor plug etc....That might need replacing or check on the solenoid on the side passenger fender. It has 2 side by side rubber plugs that sits over a outlet tube for the vacuum.....This solenoid also controls your locking hubs.....If your in cab 4x4 switch works then you can eliminate the solenoid and look at the fan resistor plug.
 
#3 ·
Could be the switch. Mine wouldn't work on med high, and it ended up being dirty contacts in the switch


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