4x4 light

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Oct 7, 2009 | 05:27 PM

golddirt

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4x4 light

ok i have a 07 cab and a half 5.4 150 4x4 electronic shift and when i put in 4 hi the light wont come on usually and no the build isnt burned out and i can hear it shifting and 4 low it lights up. any ideal on this? thank's

Oct 7, 2009 | 09:04 PM

air1jpg

Tuned

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From: Louisville

Could be a bad 4x4 switch or a bad 4x4 engagment motor...

Oct 9, 2009 | 05:07 PM

golddirt

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like i said you can hear it shifting and no problem with 4 low light so i dont see where those two would work in unless maybe a loose wire?

Oct 9, 2009 | 10:09 PM

screwy

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From: Over Yonder, MN

Do they still use light bulbs for the indicators? Could it just be burned out?

Oct 10, 2009 | 05:07 AM

golddirt

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as i stated they are not burned out , both light when key first turned on and at times when putting four hi it does light.

Oct 10, 2009 | 04:29 PM

screwy

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From: Over Yonder, MN

Quote:

Originally Posted by golddirt

as i stated they are not burned out , both light when key first turned on and at times when putting four hi it does light.

Ah... way to read the original post... go me.

The 4x4 indicators have no direct link to the 4x4 system, the cluster receives the command to light them up via the CAN bus from the PCM, and if there was a problem with your CAN bus you’d have a lot more problems and flashing indicators. Which leaves you with 3 possible causes, a bad contact plate, which should produce a DTC, however you’d need an enhanced scanner to retrieve it, a bum cluster or a bum PCM.

I THINK this is the correct state for the shift plate.

In 4Hi:
White - open
Violet/orange - grounded
Light blue - grounded
Orange - open

Oct 14, 2009 | 06:40 PM

golddirt

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took it to shop and said it was a vaccum actuator deal, thank god it was still under warranty so i didnt have to pay.

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Dec 31, 2009 | 10:21 AM

golddirt

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they replaced the iwe solenoid, the first person give me the ole bad connection on the bulb deal, when i took it in a week later i waited to talk with the sm who knows his **** and took it in kept it overnight because when he first checked everything worked fine, next morning bingo. dont think it takes long to fix it I just dont know where it is located for sure, yet. I think it may be on the passenger side fenderwell.