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Old 01-20-2008, 04:35 PM
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Need help wiring my 700r4

I'm new to the board and need a little help with wiring. I have a 1986 700r4 serial no. 6YLM285A (I don't know what vehicle it came out of) that I'm installing in a '62 Impala. I've looked on the net and at several threads on this forum and found that there are too many different wiring combinations. I believe I have a single wire lockup. I only have a light green wire running to the "A" terminal on the tranny. If you pull the male connector out of the tranny, there are a total of three pins in the tranny but the male end only has one on the "A" with the green wire. Can I just hook up a switched 12v supply to this wire and have a switch break this 12v line when the brake pedal is depressed?

Any help is appreciated. Thanks.
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Old 01-21-2008, 06:19 AM
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Quote:
Originally Posted by 409guru
I'm new to the board and need a little help with wiring. I have a 1986 700r4 serial no. 6YLM285A (I don't know what vehicle it came out of) that I'm installing in a '62 Impala. I've looked on the net and at several threads on this forum and found that there are too many different wiring combinations.

I believe I have a single wire lockup. I only have a light green wire running to the "A" terminal on the tranny. If you pull the male connector out of the tranny, there are a total of three pins in the tranny but the male end only has one on the "A" with the green wire.

Can I just hook up a switched 12v supply to this wire and have a switch break this 12v line when the brake pedal is depressed?

Any help is appreciated. Thanks.

Hook up 12 volts to the "A" location. this is the OEM location for 12 volts.

You 'may need" a ground wire to the "D" location on this same plug for lock up of the converter to operate.

Do you know if the trans was built for one wire operation or simply a guess since the connector had 1 wire on it?

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Old 01-21-2008, 06:40 AM
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re: Need help wiring my 700r4

here this mite help
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File Type: doc 700r4.doc (23.5 KB, 565 views)
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Old 01-21-2008, 02:02 PM
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Thanks for looking at my post Crosley. It is my "guess" that this is a single wire lockup as the factory male end with the single wire was included with the tranny and only has one terminal and wire on it. More info on the tranny - I called the guy I got it from and he says it was removed from a 1986 Chev Caprice Classic if this helps.
Should I ground the "D" terminal as shown in the diagram that 406ChevyCaprice posted with a switched ground?

Thanks again guys.
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