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Old November 24th, 2013, 07:24 PM   #1
Skooter_Built
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Default Zr2 Sonoma won't engage 4hi or 4low.

My Zr2 Sonoma will not engage 4 wheel drive. I replaced the motor at the tcase and still nothing. When I click the 4hi or 4low button they just flash and the control module behind the passenger kick panel just clicks.

I know I need to inspect the vacation lines more but seeing how I'm usually not that lucky what else should I check? I'm told there is an actuator under the battery tray and the module on the passenger side interior I just checked for corrosion but saw nothing but read that they go bad as well.
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Old November 24th, 2013, 09:37 PM   #2
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Check the plug at the control box in the passenger kick panel they tend to corrode

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Old November 27th, 2013, 05:41 AM   #3
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Quote:
Originally Posted by Toyfish View Post
Check the plug at the control box in the passenger kick panel they tend to corrode

Sent from my DROID X2 using Tapatalk 2
X2, you will have to disconect the the plug from the module to see the corrosion, usually it will look green. Also check to see if you can squeeze the vacuum actuator in by hand, the cable could be frozen/siezed.
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