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I have a 96 Legacy automatic - AT oil temp lights flashing / binding in turns / dealer says the TCU error code is 24 & wants $500 - $1300 to repair (depends on the conditiion of the clutch pack when they open it up). With 122k on the odometer, I'm not sinking that much into the tranny...

 

Anywho - a non-subie mechanic was supicious of the wiring harness & I've read a few postings of folks with similar symptoms who found the wiring was faulty. I'd like to try jumping 12v directly to the Solenoid C connector on the tranny, but haven't got clue where it is.:confused: If anyone has a link/diagram/good description, it would be a big help.

 

Thanks,

 

Matt

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Thanks, I've tried it & it doesn't have any effect. I've also tested all the relevant voltages coming from the TCU & they look to be ok. The wiring I'm suspicious of is the harness that runs from the top of the tranny & down to the solenoids/sensors/etc. Pin 11 connects to the solenoid, but if that wire (from pin 11 to the solenoid) is bad, then neither the TCU or the FWD fuse will be able to actuate it.

 

 

 

There is an empty fuse holder in the engine room. That will apply voltage to the solenoide and put the car in permanent FWD. It's near the firewall and labelled FWD. Your owners manual should have the precise location.
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If that wiring harness is bad between the connector and the tranny.....you'd have to run a new line down and splice it in at the tranny. You wouldn't be able to replace that harness without taking apart the tranny.

 

Either way....to test that wire, you're going to have to unwrap the electrical wiring loom. You could run a T-tap on the duty-c solenoid wire and connect that to 12v. If that does help....then just run a new wire to splice into the connector and wire before it goes into the tranny.

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Just curious.....have you bothered to put an ohm/volt meter on that lead? Usually the FSM gives you what the ohm/voltage should be if you want to test the solenoid.

 

I would think that'd give you a good indication of the wiring too.

Yep - tested that one too. According to the instructions I had (from an SVX manual someone posted) the diagnosis was a faulty solenoid - but the reading would have been the same if the wire was faulty...so i figured replacing/jumping the wire would be easier/cheaper first.

 

I still don't know which lead heading into the tranny is for solenoid c & following the wiring down from the plug in the engine compartment looks nearly impossible... anyone know of a good photo/diagram on the web somewhere?

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