Electronic shift control

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May 20, 2006 | 01:26 PM

oldzinner

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Electronic shift control

I have a 1994 Explorer and when trying to engage 4 wheel drive nothing happens. My mechanic said to try a used shift control from the junkyard as all systems (module & transfer case) check OK so far. Is it possible the switch is bad ? Is there something else to try ?
Thanks for your input.

May 20, 2006 | 01:59 PM

aquanaut20

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From: BC Canada

http://draco.acs.uci.edu/explorer/tcase.html

May 20, 2006 | 02:21 PM

oldzinner

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There is no clicking sound from the module and the test indicates it's Ok according to my mechanic.
Any ideas ?
Thanks

May 20, 2006 | 04:05 PM

aquanaut20

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From: BC Canada

the module will click even if the motor does not turn, my bet, the shift motor on the T/C need some TLC.
After you fix the shift motor, go see your mechanic and teach him how to diagnose an EXPLODER.

May 20, 2006 | 07:32 PM

oldzinner

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The mechanic just put a new motor on it and said he tested all the circuits, but the electronic control switch tests ok but fails when the button is pushed.
I'm not electronics literate so am at a loss on what to look for or do.
What do you suggest that I could try.
Thanks for your help.

May 20, 2006 | 10:55 PM

aquanaut20

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From: BC Canada

The control module may be confused, disconnect the battery for 20min, reconnect and try, remember for 4x4L, brake must be depressed and in N

May 21, 2006 | 01:39 PM

Baumer

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From: Toronto,Canada

Try to change it in Neutral. Put the gear in Neutral and hold your foot on the brake and then push your button! it worked for me.

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May 21, 2006 | 03:43 PM

MisterCMK

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From: Blue Hill Township

If you don't even hear any relays clicking its most likely the switch or the control module. If its the motor, you will still hear the relays clicking.

May 24, 2006 | 03:32 PM

#10

oldzinner

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Tried a used switch without any luck. Maybe it's time to get that newer Mountaineer I always wanted.
Thanks to all for your input.

May 24, 2006 | 04:49 PM

#11

aquanaut20

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From: BC Canada

have you actually applied 12dc directly to the motor?

May 24, 2006 | 09:41 PM

#12

oldzinner

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I'd have to ask my mechanic that one. He's the one who has the expertise, I just pay the bill but wish I knew more about this.Will follow up and let you know.
Thanks