Over Drive "OFF" not Engaging
More Turbo
Joined: Sep 2017
Posts: 574
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Hotshot
Joined: Jan 2004
Posts: 19,762
Likes: 1,079
From: St Louis
The suggested thread isn't likely to be of any use.
It helps if you explicitly identify your truck. Can't provide specific recommendations without knowing what's involved. Could be a blown fuse, bad switch or indicator, a damaged wire harness, or the PCM.
It helps if you explicitly identify your truck. Can't provide specific recommendations without knowing what's involved. Could be a blown fuse, bad switch or indicator, a damaged wire harness, or the PCM.
More Turbo
Joined: Sep 2017
Posts: 574
Likes: 146
Something must have went screwy because now the overdrive button does not indicate "off" when pressing the shift level overdrive button.
Won't hurt to check for codes too.
Hotshot
Joined: Jan 2004
Posts: 19,762
Likes: 1,079
From: St Louis
There's nothing in or near the underhood fusebox that has anything to do with this issue. It's a coincidence, most likely.
The fuse for that circuit is F29 under the dash. Check it first although if blown there may be other symptoms. Autolamp, if equipped, is also on that circuit.
If the fuse is okay, pull the column shrouds and inspect the little harness that comes out of the shifter tube looking for any evidence of wire damage.
After that, it gets harder as you have to do actual troubleshooting.
The fuse for that circuit is F29 under the dash. Check it first although if blown there may be other symptoms. Autolamp, if equipped, is also on that circuit.
If the fuse is okay, pull the column shrouds and inspect the little harness that comes out of the shifter tube looking for any evidence of wire damage.
After that, it gets harder as you have to do actual troubleshooting.
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Tuned
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Hotshot
Joined: Jan 2004
Posts: 19,762
Likes: 1,079
From: St Louis
If you want help, follow directions. If you want to wander off on your own, you'll be exactly that - on your own.
Read directions. Follow them. Report observations and results.
OTOH, if you're convinced that the mechanic broke it, take it back to him for repair.
Hotshot
Joined: Jul 2020
Posts: 10,456
Likes: 2,630
From: Near Salt Lake City
The shift lever has wires that break around 100 K miles with normal use (way sooner on a plow truck or work truck)
A scan tool can tell you real quick if the switch or wiring has failed
I keep one new lever in my toolbox and a new switch
A scan tool can tell you real quick if the switch or wiring has failed
I keep one new lever in my toolbox and a new switch