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03-01-2015, 10:20 AM
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#1 |
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Registered User
Join Date: Oct 2013
Location: Palmetto, FL
Posts: 107
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71 TH400 kickdown
I have a 71 c10 custom deluxe with a 350 and a th400. The PO put an Edelbrock carb on it. I have no tranny kickdown. I looked at Lokar's kit but it shows a two prong plug. I checked my tranny and saw only one spade connecter. Any ideas?
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03-01-2015, 11:12 AM
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#2 | |
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Senior Member
 
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,847
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Re: 71 TH400 kickdown
Quote:
EDIT: Here's a link to the installation instructions. http://lokar.com/downloads/pdf-instr...ElectricKD.pdf See Fig. 7. Last edited by FirstOwner69; 03-01-2015 at 11:25 AM. |
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03-01-2015, 11:14 AM
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#3 |
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Registered User
Join Date: Sep 2013
Location: United kingdom
Posts: 127
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Re: 71 TH400 kickdown
Just use a spare extra brake light switch with a bracket to the throttle bracket in the cab, cheap and hidden out of the way. connect one end to the th400 and the other to the power feed.
__________________
GMC K1500 1971 350 cu in th350 4wd Bondo Bob c 10 1971 stepside th 350 c10 1970 350 cu in manual air con stepside. |
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03-01-2015, 11:22 AM
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#4 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: 71 TH400 kickdown
In 71 the kick down switch is located inside the cab on the accelerator pedal. There are two wires going to the switch, one is power the other goes to the transmission solenoid on the side of the transmission.
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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03-01-2015, 06:11 PM
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#5 |
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Registered User
Join Date: Oct 2013
Location: Palmetto, FL
Posts: 107
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Re: 71 TH400 kickdown
Firstowner69 what part number did you use.
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03-01-2015, 06:29 PM
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#6 |
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Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
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Re: 71 TH400 kickdown
If you are trying to figure out one or two pins at the trans. connector this wil help.
http://67-72chevytrucks.com/vboard/s....php?p=7037666 Since you are retrofitting a TH400 just install the 71-72 style detent switch on the accelerator pedal and run a couple of wires or buy a harness for a 71-72 and be done with it. No need to install an aftermarket cable switch when stock (as on a big block TH400 or C30 installation) is easily done.
__________________
Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
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03-01-2015, 06:41 PM
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#7 | |
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Senior Member
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,847
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Re: 71 TH400 kickdown
Quote:
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03-01-2015, 06:49 PM
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#8 |
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Account Suspended
Join Date: Jun 2011
Location: Des Moines, IA.
Posts: 4,143
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Re: 71 TH400 kickdown
I have a 1969 carb mounted TH400 kickdown switch and wiring if you wanna go that route. PM me if you want pics.
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