transmission

is there any way to convert a 94 dodge 3 speed auto trans with a single wire tcc lockup to a 96 two wire lockup. I have a 94 trans but was told it is different

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The single-wire system switches voltage (could be +5V, could be +12V - check to be sure) to the solenoid to control lockup. The solenoid is self-grounding. On a two-wire system, the supply voltage (probably +5V) is always present, and the PCM switches the ground.
If you want to use a '94 trans in your '96 truck, you'd need to use a relay. Connect the relay's coil terminals to the TCC connector of the wiring harness. Provide an adequate power source (need to check whether the '94 solenoid wants +12V or +5V) to the common terminal of the relay, and run the switched output of the relay (terminal #87 on an automotive-style relay) to the solenoid. When the PCM switches the TCC ground, the relay's coil will be energized, and will switch voltage to the TCC solenoid.
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. . ============Tom Lawrence wrote:

============== Now...there's a guy that knows his lockup.
~:~ MarshMonster ~:~
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Speaking of knowig his shit about transmissions, how about posting the TSB info you promised last week?
--
Max

"There are four boxes to be used in defense of liberty:
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And the link to the aftermarket harness that would adapt the transmission for better towing performance.
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Tom, How would i check the 94 trans for correct voltage and can i use any type automotive relay. Thank you, Harry
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Get ahold of a '94 wiring diagram, and see if it feeds +5V or +12V to the solenoid. As for the relay, yes - your typical 30A 12V automotive relay from Radio Shack will be fine.
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I have install a Mopar performance A-500 in an older truck. If the "production" transmissions are the same as the "performance" transmissions, and I think they are, then both the overdrive and lockup are 12V.
Robert
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Yep, they would be. +12V sure makes life easier for the O.P.
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Max Dodge wrote:

==================suck a monkeys ass . . http://www.transmissioncenter.net/alto_3.htm
~:~ Marsh ~:~
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Terrific info if you own an old musclecar and want to install a 518 in it.
But the original poster to which you promised info on a TSB had a 2002 Dakota with a 45RFE trans.
So you are full of shit as usual.
--
Max

"There are four boxes to be used in defense of liberty:
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rugman wrote:

In addition to what Tom said, there are some internal differences. Be careful not to mix up any of the internal parts. See: http://dodgeram.info/tsb/1995/21-20-95A.htm
--
Ken



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