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[Z06] Reverse Lockout

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Old Aug 26, 2007 | 06:32 PM
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Default Reverse Lockout

Does it exist?

I have a stock M12 with a B&M shifter, and for the first time missed 5th and found reverse - at 70mph. You can imagine the horrible grind that was to be. This got me thinking......do these transmissions have a reverse lockout? If so, is my solenoid shot?
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Old Aug 26, 2007 | 09:15 PM
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The T56 has a reverse lockout solenoid.

Mine went bad to.
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Old Aug 27, 2007 | 07:18 AM
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From: middletown in
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I'm not sure but I think if you installed a 1st to 4th bypass switch that disables the reverse lock out selenoid.
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Old Aug 27, 2007 | 12:22 PM
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I don't have a CAGS eliminator plug. I have it disabled in the PCM.
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Old Aug 27, 2007 | 02:24 PM
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Originally Posted by sgmcneil
I'm not sure but I think if you installed a 1st to 4th bypass switch that disables the reverse lock out selenoid.
This is not true. The CAGS defeat has nothing to do with the reverse lock-out.

The reverse lock-out solenoid is located on the upper passenger side of the transmission. When activated it prevents shifting into reverse at speed. You can overpower it if you press real hard, takes 2 hands for the average Vette driver. The solenoid can go bad, it also has a fuse in the engine compartment near the battery. To test it start the car and back up. If it is bad you will not be able to shift into reverse.
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Old Aug 27, 2007 | 03:05 PM
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From: Hayward CA
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Originally Posted by HP_Addict
To test it start the car and back up. If it is bad you will not be able to shift into reverse.
I check the fuse tonite when I get home. So - if the soleniod is bad - the car won't go into reverse?
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Old Aug 29, 2007 | 09:10 PM
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Originally Posted by TM-96CE
I check the fuse tonite when I get home. So - if the soleniod is bad - the car won't go into reverse?
Many cases it just has been the wires coming off the plug at Solenoid
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Old Aug 29, 2007 | 09:48 PM
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From: Longview Texas
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Originally Posted by sgmcneil
I'm not sure but I think if you installed a 1st to 4th bypass switch that disables the reverse lock out selenoid.

The reverse lockout solenoid is separate from the skip shift solenoid. One should not affect the other, unless you connected the skip shift bypass to the wrong solenoid!
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Old Aug 29, 2007 | 10:00 PM
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From: Bradford Mass
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I too found reverse once at ... digits and it was not nice at all. I yanked it back so fast I only heard hell for less than a second (it seemed like an eternity), Now on occasion I have hold reverse as I start to go and then it pops right in. This is on my to do/check list...
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