URGENT - Need to bypass thermoswitch with MSPNP
I am at Willow Springs and my fans are not working. The car boiled over after my last session. I need to know if there is a way to get the fan to come on in the MS software, or if there is a way to do it in the harness. I believe I have melted the wire going to the thermoswitch on the back of the head, and I cannot reach it because the manifold/turbo/DP/heater lines are in the way.
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Run a ground straight to the fan plug.
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Take the wire off the thermoswitch and ground it. Fans will run all the time when the key is on.
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You can ground the black / green wire at 1L to turn on the primary fan relay, the the blue / white wire at 2S to turn on the secondary fan relay.
You can pull the relay out of the socket and insert a jumper to bypass it: http://img33.picoodle.com/img/img33/...ym_ccaa076.gif (If you can't see that attachment, I'm pretty sure it's the two terminals spaced furthest apart, and which are in a straight line with one another) |
Unplug the fan relay and jumper the terminals with a paper clip or wire with spades.
The thermoswitch doesn't run the cooling fans with the MS unless you've done some modifications for it to do so. I had MS controlling the main fan and the thermoswitch on the a/c fan, but again that was a modification done by me and not stock. |
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Braineack is the winner.
(I never even noticed that terminal was there.) |
any update? Lots of fan problems recently.
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I couldn't get back to check this thread, but I really appreciate all the replies, guys. I checked my FSM first thing, and jumped GND and TFA, and nothing came on. I then drove down to Autozone (big radiator + extra hole in bumper = 200 degrees with no fans on the highway) and bought some wire and spade connectors. I grabbed 12v from the diagnostic port, grounded to the a bunch of various stuff, and the fan never came on. Looks like the motor itself died. :bang:
I'll probably do low-pro fans with a custom shroud or something. |
Originally Posted by Savington
(Post 352140)
(big radiator + extra hole in bumper = 200 degrees with no fans on the highway)
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Joe, I was expecting to run hotter. I always thought the fans were necessary to keep the temps where they were. :bang:
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Originally Posted by Savington
(Post 352140)
I couldn't get back to check this thread, but I really appreciate all the replies, guys. I checked my FSM first thing, and jumped GND and TFA, and nothing came on. I then drove down to Autozone (big radiator + extra hole in bumper = 200 degrees with no fans on the highway) and bought some wire and spade connectors. I grabbed 12v from the diagnostic port, grounded to the a bunch of various stuff, and the fan never came on. Looks like the motor itself died. :bang:
I'll probably do low-pro fans with a custom shroud or something. Personally, I bought a set of 12" slim fans to put on mine. After all my research on fans, shroud, and whatnot, I found the best solution for me: stock fans w/built in shroud. |
I will probably mimick the shroud setup that FCM sold for a little while. Just a sheet of ABS sealed to the radiator with two holes cut JUST big enough for the fans themselves.
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