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#1 |
Registered User
Join Date: Nov 2009
Location: orange ca
Posts: 279
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700r4 tranny lockup switch
Ok I have a 700r4 tranny on my 63 c10 off of a 89 rs camaro...I have been doing lots of reading and I am very confused!!!!some people say that on any 700r4 85 or new that there is no need for it to be hook up while others say that it needs to be hooked up regarless of the year or else you risk looosing your tranny.....Can some one please let me know what could happen if its not hooked up ?also is there a kit on the market today that will work with my 63 c10 since there is no computer to hook up the wires coming from the tranny to.thanks
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#2 |
Registered User
Join Date: May 2009
Location: Loganville, Ga.
Posts: 1,408
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Re: 700r4 tranny lockup switch
If you don't use a lock up, damage can happen to the transmission and converter, not counting your gas mileage will suffer.
http://www.summitracing.com/parts/TCI-376600/
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#3 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 700r4 tranny lockup switch
I would suggest hooking it up if you have a lockup converter.
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#4 |
Registered User
Join Date: Nov 2009
Location: Cremona AB Canada
Posts: 370
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Re: 700r4 tranny lockup switch
the 700R4 requires a lockup switch or it will generate heat .hooking it up is simple. if you can get the one out of the car the trans came from it would be easier, if not buy one for the model the trans came from. there should be only one wire comming from the 700 , it hooks to the blade terminal on the lockup switch . the switch body needs to be grounded prefferably to the engine block . the hose port on the switch should be hooked to manifold vacuum
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62 GMC 910 short fleetside 454 super t10 14 bolt w/gov lock 70s c20 front discs (built in the 80s) 65 GMC 930 dualwheel 292 4spd all origonal 39k mi(my sons truck) 63 GMC 950 camperized school bus, (Gus the bus) 350 4speed 2 speed rear 64 GMC 950 "spare" bus 283? 4speed detroit locker 53 GMC 1ton dual wheel bus 78 GMC c25 short course off road race truck(son's truck) 355 th400 14 bolt (www.wheel2wheel.ca) 88 Peterbilt 379 longhood (hauls race truck) ![]() ![]() ![]() ![]() |
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#5 |
1961 crewcab
Join Date: Dec 2007
Location: missoula, mt
Posts: 6,164
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Re: 700r4 tranny lockup switch
I think I need one of those 80$ summit kits for my 61...
anyone know of a way to do it cheaper? mine is a 2004r
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#6 |
Registerd User
Join Date: Sep 2008
Location: Oklahoma
Posts: 2,118
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Re: 700r4 tranny lockup switch
I have a kit in mine that does away with all electronics. But the id tag for the kit is in my tv spring so I wont be seeing it for about 50,000 miles. Mabey you could find it on line.
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#7 |
Registered User
Join Date: Nov 2009
Location: orange ca
Posts: 279
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Re: 700r4 tranny lockup switch
ok I have the harness coming out of the tranny....but it has 3 wires not 1....which wire is which?also there is no vacuum line that I see maybe because its of an 89 rs camaro?also will the kit from b&m work?seem you hook up the converter and the speedometer cable..its a b&m kit part#70248..I have been told that the cheap way is with a toogle switch...12 v source and a good ground...however I dont know which wire is which ...Keep in mind that I am a newb at chevy trucks...thanks to all for the quick reply!
Last edited by jserrato714; 12-08-2009 at 12:17 PM. Reason: questions |
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#8 | |
Registered User
Join Date: Nov 2009
Location: Cremona AB Canada
Posts: 370
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Re: 700r4 tranny lockup switch
Quote:
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62 GMC 910 short fleetside 454 super t10 14 bolt w/gov lock 70s c20 front discs (built in the 80s) 65 GMC 930 dualwheel 292 4spd all origonal 39k mi(my sons truck) 63 GMC 950 camperized school bus, (Gus the bus) 350 4speed 2 speed rear 64 GMC 950 "spare" bus 283? 4speed detroit locker 53 GMC 1ton dual wheel bus 78 GMC c25 short course off road race truck(son's truck) 355 th400 14 bolt (www.wheel2wheel.ca) 88 Peterbilt 379 longhood (hauls race truck) ![]() ![]() ![]() ![]() |
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#9 |
One foot in front of the other
![]() Join Date: Aug 2008
Location: Parrottsville, TN
Posts: 5,440
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Re: 700r4 tranny lockup switch
Some good info here...
http://persh.org/pickup/UnderTheHood.htm#700R4Tips |
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#10 |
Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: 700r4 tranny lockup switch
Or here, too: http://www.73-87.com/7387garage/drivetrain/lockup.htm
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#11 |
Registered User
Join Date: Feb 2009
Location: manchester Tennessee
Posts: 35
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Re: 700r4 tranny lockup switch
i will have to find the article , but there is a way you can wire it up using a brake switch so that when you hit the brakes hit will kill the power to the tranny and unlock it. one of the articles i read the guy used and OD lighted switch from a car mounted on the dash to turn the OD on and then ran it through the brake switch.
ahh here ya go http://67-72chevytrucks.com/vboard/s...d.php?t=334345 |
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#12 |
Registered User
Join Date: Dec 2004
Location: beulah,alabama
Posts: 1,075
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Re: 700r4 tranny lockup switch
mine is done with a brake switch . it works but is kinda of a pain in the ass driving around town ....it lugs the motor bad unless you ride the brakes somtimes
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#13 |
Registered User
Join Date: Nov 2007
Location: Central Ohio
Posts: 138
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Re: 700r4 tranny lockup switch
I used the Bowtie Overdrive kit. It was made so the TV cable would work with my Edelbrock carb. (TV cable adjustment is important too) I also got the lockup wiring kit, easy to install and comes with a new brake switch to disengage the lockup. Not cheap but a quality product. Do a web search on them, lots of good info even if you don't buy their kit.
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#14 |
Registered User
Join Date: Mar 2002
Location: Forney TX
Posts: 4,512
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Re: 700r4 tranny lockup switch
Agreed on the BTO site they have some very good products but not cheap. I got my lockup kit from ebay for 45.00 and had to buy wire and fuse but it was very simple all I had to do was tap the servo cover and install pressure switch and wire up.
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#15 |
Registered User
Join Date: Nov 2009
Location: orange ca
Posts: 279
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Re: 700r4 tranny lockup switch
yeah I guess I am buying the b&m one....its like $159...Im hoping it works and that its as easy as plug and play.......I need it quicky cause the drive is pretty bad....the trannys first goes in quick,second lags,and 3 and 4 I cant hear....
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#16 |
Registered User
Join Date: Nov 2007
Location: Concord, Ca.
Posts: 19
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Re: 700r4 tranny lockup switch
Try these guys out, I think they are local for you. "Hesperia, CA"
I talked to them at the GoodGuys show in nor-ca, about the samething. And they have a kit to replace it. http://www.bowtieoverdrives.com/index.shtml ![]() |
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#17 | |
Registered User
![]() Join Date: Jan 2008
Location: Spokane WA
Posts: 254
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Re: 700r4 tranny lockup switch
Quote:
The kit you speak of is highly recommended by rodders in my area and is the one I am going to be using myself. Make sure you have a pro at the TV cable adjusting do the TV adjustments for you unless you know for sure what you are doing, that could be some of the reason you are having shifting problems. Reid |
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#18 |
Registered User
Join Date: Nov 2009
Location: Cremona AB Canada
Posts: 370
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Re: 700r4 tranny lockup switch
X a whole bunch on the TV cable , its the only link to any engine input on this trans. No cable = whoops fryed the trany
__________________
62 GMC 910 short fleetside 454 super t10 14 bolt w/gov lock 70s c20 front discs (built in the 80s) 65 GMC 930 dualwheel 292 4spd all origonal 39k mi(my sons truck) 63 GMC 950 camperized school bus, (Gus the bus) 350 4speed 2 speed rear 64 GMC 950 "spare" bus 283? 4speed detroit locker 53 GMC 1ton dual wheel bus 78 GMC c25 short course off road race truck(son's truck) 355 th400 14 bolt (www.wheel2wheel.ca) 88 Peterbilt 379 longhood (hauls race truck) ![]() ![]() ![]() ![]() |
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