ZR6 Skip Shift
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Advanced
Joined: Sep 2009
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ZF6 Skip Shift
Hi all,
I have read various ways to disable the skip-shift "feature" on the C4's. My question is, since this tranny is going into my kit car and my wiring harness does not have the pigtail for it and my ECM has been reprogrammed to remove it, can I take it off the transmission and plug the hole?
I have read various ways to disable the skip-shift "feature" on the C4's. My question is, since this tranny is going into my kit car and my wiring harness does not have the pigtail for it and my ECM has been reprogrammed to remove it, can I take it off the transmission and plug the hole?
Last edited by jasonmckay; Oct 7, 2010 at 02:18 PM.
Drifting
Joined: Jun 2010
Posts: 1,853
Likes: 8
From: Westerly RI
The skip shift on the trans is only a solenoid that activates a plunger in the trans. On my '92, I just unplugged the connector to disable it, leaving the solenoid in place. It has been fine like this for many years. Later C4's will set a code and light the service light if you do this, and you have to plug a resistor into the wiring harness so the ecm thinks the solenoid is still connected. If you're using the trans without the C4 harness, you can just leave the solenoid attached.
My view is, if I had wanted help selecting gears, I would have bought an automatic.
My view is, if I had wanted help selecting gears, I would have bought an automatic.
Thread Starter
Advanced
Joined: Sep 2009
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The skip shift on the trans is only a solenoid that activates a plunger in the trans. On my '92, I just unplugged the connector to disable it, leaving the solenoid in place. It has been fine like this for many years. Later C4's will set a code and light the service light if you do this, and you have to plug a resistor into the wiring harness so the ecm thinks the solenoid is still connected. If you're using the trans without the C4 harness, you can just leave the solenoid attached.
My view is, if I had wanted help selecting gears, I would have bought an automatic.
My view is, if I had wanted help selecting gears, I would have bought an automatic.
The reason I am asking to remove it from the trans is that my tunnel is very narrow and right now that solenoid is interfering with it. I would rather remove it than modify my tunnel.
Instructor
Joined: Nov 2009
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From: Houston Texas
Le Mans Master
Joined: May 2005
Posts: 7,377
Likes: 2,297
From: Central Maryland
I'm not sure how the solenoid does its job inside of the trans, so I can't say whether or not you can safely leave it out and plug the hole. Call or email Bill at ZF Doc and ask him. He will definitely know the correct answer.
Live well,
SJW
Live well,
SJW
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Racer
Joined: Jun 2010
Posts: 402
Likes: 1
From: Tabernacle NJ
I'm pretty sure the solenoid just limits the shifter linkage.
Shouldn't be a problem removing it, especially if its properly plugged.
This is just a theory, don't take my words as the end all be all.
Shouldn't be a problem removing it, especially if its properly plugged.
This is just a theory, don't take my words as the end all be all.
Burning Brakes
Joined: Sep 2009
Posts: 1,180
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From: Yes it's hot! Arizona
Thread Starter
Advanced
Joined: Sep 2009
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I think it will. The size is the same that Bill gave me. I will try it this weekend and reply back.
Le Mans Master
Joined: Mar 2000
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From: Lafayette LA
Burning Brakes
Joined: Sep 2009
Posts: 1,180
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From: Yes it's hot! Arizona
