Modular V10 (6.8l)

Overdrive shutoff switch not working

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Old

Sep 17, 2008 | 02:43 PM

#1

Brandon350

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Overdrive shutoff switch not working

Hello to all I was wanting to know if anyone might know what is wrong with my overdrive shutoff switch. When I push the button on the end of my gear selector the off light does not come on and the tranny will still go into overdrive. Anyone with a solution please let me know. Thanks Brandon my truck is an 02' 4x4 auto tranny f-350

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Old

Sep 17, 2008 | 03:33 PM

#2

mwsF250

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From: Wayyy NoCal, USA

Relatively common problem. This is a momentary contact switch, and over time the contacts can get dirty, corroded, bent, worn, etc depending on use. You can remove it and clean it, or just get a new one. They're cheap as Ford has been using the same switch in many models for years. Even Dorman sells one in their "HELP" line.
Ask any knowledgable person at a parts store for a Ford Overdrive Switch and they'll be able to help you.

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Old

Sep 17, 2008 | 04:37 PM

#3

rclarke

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There is also a fuse on that circuit. It is fairly common for the wires in the lever to wear through and short the circuit blowing the fuse.

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Old

Sep 18, 2008 | 01:21 PM

#4

krewat

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Quote:

Originally Posted by rclarke

There is also a fuse on that circuit. It is fairly common for the wires in the lever to wear through and short the circuit blowing the fuse.

Exactly!

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Old

Sep 18, 2008 | 02:00 PM

#5

Monsta

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Once you remove the steering column's trim, you can inspect the wiring for chafing.

Credit to: https://www.ford-trucks.com/forums/7...ml#post6542459

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Old

Sep 19, 2008 | 05:28 AM

#6

Move over I'm coming

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From: Minnesota

Great picture Monsta. I was going to suggest checking that very thing.
Rep points given.

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Sep 26, 2008 | 05:54 PM

#7

Brandon350

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Thanks everybody!

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Sep 27, 2008 | 08:25 AM

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wbulick76

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Man, I love the search feature. Saved me re-posting this very same question!

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