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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Diagnosing my 4x4 Problem 1993 3.0

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Old Mar 25, 2016 | 01:06 PM
  #21  
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From: Phoenix
Originally Posted by RJR
So that means the green/white wire is broken between the relay and the tcase switch. Time to look for something that either got pinched or burned off against the exhaust pipe.
Traced all the wires as best as I could...nothing looks melted or burned up...

What am I doing wrong fellas?

-----With engine running, trans in N, put 4WD in 4H, no relay click.
-----With engne on, there is vacuum at the ADD, drivers side, no matter if switched to 2H or 4H/L.
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Old Aug 15, 2016 | 03:02 PM
  #22  
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From: Phoenix
I wanted to close the loop on this old thread, and so it may also help some folks in the future.

There is that connector sitting on top of the trans that was old, frayed and one of the pins was messed up. Shook that connector and 'click' 'click' 'click', just as you guys said. Repaired that connector and now good to go! Maybe somewhere down the line when a clutch was done (or something) this connector got jacked.

Thanks RJR, scope103 and nv4runner.
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Old Aug 15, 2016 | 03:25 PM
  #23  
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Thanks for the report. Do you know which connector it was?
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Old Aug 28, 2016 | 05:39 AM
  #24  
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From: Phoenix
It was up on top of the trans.
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