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2000 chevy s10 4wd want shift
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countryboy4life
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Jul 8, 2015, 11:36 AM
Post #1 of 7
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2000 chevy s10 4wd want shift
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I have a 2000 Chevy blazer 4.3 and the 4wd does not work I have replaced the tccm and it want shift into 4wd but when I try to put it in 4wd the light just blinks but nothing happens and when I push the 2wd the tccm clicks like it shifted from 4wd to 2wd but it never shifted into 4wd what can I do to get it working again. I have no lights blinking or any thing that makes it look like something going wrong PLEASE HELP
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gsferraro
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Jul 8, 2015, 5:52 PM
Post #2 of 7
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Re: 2000 chevy s10 4wd want shift
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Those encoder motors have a high failure rate, i would only use an OE one(thats what ive learned from past experiance) Was this ever scanned to see if there are any codes or was live data evr checked. Was the tccm that you installed new? Is it by the right kickpanel? Gary
Do not use a doorman encoder motor. the 4x4 switch on the dash goes bad as well(just did a 98 with a bad switch)
(This post was edited by gsferraro on Jul 9, 2015, 5:42 AM)
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countryboy4life
New User
Jul 9, 2015, 11:37 AM
Post #3 of 7
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Re: 2000 chevy s10 4wd want shift
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yes it was new the TCCM is sending the signal but nothing is happening and the pluger looking this want even move by it self iv cleaned it and even b4 I cleaned it it moved freely but iv had people to look at it and they say it might be the cable leading to the frount end it engage the 4wd might be locked up or the achuwator is bad and yes the tccm is on the left side kick panel.... what can I do every thing on the inside is working like it should but when I try yo but it in 4wd it does nothing the light blinks like it should but the 4wd want engage but when I mash the 2wd the TCCM clicks like it tried to engage it but it didn,t
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gsferraro
Veteran
Jul 9, 2015, 5:49 PM
Post #4 of 7
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Re: 2000 chevy s10 4wd want shift
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I dont believe there is a cable, should be all wires. Something you can try, you will need a helper. Turn the key on have your helper push the 4hi button and tap the encoder with a hammer and see if it moves. Gary
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countryboy4life
New User
Jul 10, 2015, 11:26 AM
Post #5 of 7
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Re: 2000 chevy s10 4wd want shift
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where is the encoder and if that don't wrok what else
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gsferraro
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Jul 10, 2015, 11:45 AM
Post #6 of 7
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Re: 2000 chevy s10 4wd want shift
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The encoder motor is the transfer case motor bolted to the transfer case, the switch on the dash goes bad as well. Gary
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countryboy4life
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Jul 10, 2015, 11:57 AM
Post #7 of 7
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Re: 2000 chevy s10 4wd want shift
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ok thank you ill let u know if that works and the 4 push buttons are new one the dash
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