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#1 |
Its always something!
Join Date: Aug 2005
Location: FT Worth,TX
Posts: 4,992
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Hooking up a 700r4
I have been reading the FAQ section on this. You hook up a 12v wire to a later model brake switch then go from the switch to the "A" pin on the trans. My question is the stock plug I have has 2 additional wires. What do they go to? Do they need to be hooked up to anything for the tranny to shift properly? The trans is out of a stock 87. No mods have been done to it.
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79 p10 stepvan 72 Short Fleetside 72 Suburban 67 GMC One Ton Flatbed 64 Short Fleetside 57 Chevy 2DR Hard Top 57 Chevy 2dr wagon 65 f*** short fleet 63 C 60 Flatbed ![]() ![]() Member of the patina club |
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#2 |
Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: Hooking up a 700r4
One wire is 12 volts and I think the other wire is for the ground for the lock-up sol valve. You have to remove the pan to be sure, and trace the wires. Mine is an 86 trans with only the one wire and self grounding lock-up valve. While you're at it change the 3-4 shift servo and spring. Also change the 1-2 servo to a Corvette one. Cheap parts and easy to install.
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1997 GMC Sierra Ext 1965 Mustang Last edited by 70GMCer; 04-14-2007 at 05:32 PM. |
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#3 |
Sisyphus was my mentor!
![]() Join Date: Sep 2002
Location: Carleton Place, Ontario CANADA
Posts: 984
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Re: Hooking up a 700r4
I'm not sure what those wires do because i used the painless kit. no mods? you'd better have a light foot - the earlier 700's are known for their weaknesses. Get a higher pressure regulator for the pump - this will add years to your 700. Put a shift kit in it & I reccomend the painless wiring kit for your trans. Makes it an ez bolt in.
http://store.summitracing.com/partde...5&autoview=sku http://store.summitracing.com/partde...5&autoview=sku This thing here: http://store.summitracing.com/partde...5&autoview=sku alone added years to my trans my transmission guy said (before i blew it up). It lasted 11 years behind a 327/300hp motor. Dont forget to get the bracket to hook the throttle cable to the intake. Good luck & if you have questions, dont hesite to ask.
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passthebuck ![]() #5642 -TWO 1967 GMC 910's. One with L6/3-on-the tree and the other with 355 w/435hp & a 700r4. -a 2013 Honda Civic as my "sensible" car Last edited by passthebuck; 04-14-2007 at 05:33 PM. |
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#4 |
Registered User
Join Date: Apr 2006
Location: MinneSNOWta
Posts: 1,381
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Re: Hooking up a 700r4
I prefer the TCI kit.
It's way cheaper than the painless kit ($75) and it allows you to add switches to control lockup. Lock it in any gear, Or disable lockup to allow towing in 4th gear (like newer trucks).
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2003 GMC Sierra 1500 WT 1995 Nissan Hardbody 2016 Hyundai Veloster Turbo DC2 (SW/AW) Clyde W. Harvey USN "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery" Winston Churchill |
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