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12-22-2013, 07:21 AM
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#1 |
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Recalculating.....
Join Date: Nov 2010
Location: New Lenox Il
Posts: 686
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Where does this go?
I am putting my duct work back in my 72 Blazer with A/C and can not figure out for the life of me where this connector connects to. The high blower relay, fan speed switch and A/C switch are all connected. Anyone?
 
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Brian - (BBrendal) 1969 Chevy Camaro Z28 1972 Chevy Blazer CST 2004 GMC Yukon (The truck that pulls the car trailer) 1972 Chevy Blazer CST #2 (Finished and sold!) Blazer build link... http://s1213.photobucket.com/albums/...rendal/Blazer/ |
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12-22-2013, 07:58 AM
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#2 |
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Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,566
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Re: Where does this go?
There is a resistor inside the heater box that looks like a spring or something. I think it may go to that.
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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12-22-2013, 10:26 AM
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#3 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Where does this go?
The wiring connector is for the Anti-Dieseling Relay. If you don't have the solenoid on your carburetor with the connecting wiring you will not need it. The relay would normally be on the inside lower lip of the dash close to the controls.
Jim
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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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12-22-2013, 12:18 PM
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#4 |
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Registered User
 
Join Date: Nov 2001
Location: Old Bridge,NJ
Posts: 838
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Re: Where does this go?
I'm thinking also what jjzepplin has mention
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12-22-2013, 12:32 PM
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#5 | |
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Registered User
Join Date: Dec 2012
Location: Manitoba
Posts: 644
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Re: Where does this go?
Quote:
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12-22-2013, 01:40 PM
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#6 |
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Senior Member
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,842
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Re: Where does this go?
A location pic from my 70
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MusicMan70 1961 GMC Suburban |
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12-22-2013, 04:12 PM
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#7 |
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Registered User
Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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Re: Where does this go?
That is clearly not the same plug as in the first photo. The wires are also different colors.
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12-22-2013, 04:19 PM
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#8 |
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Registered User
Join Date: Jan 2011
Location: Glendale, AZ
Posts: 3,178
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Re: Where does this go?
Fan switch?
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12-23-2013, 12:36 PM
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#9 |
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Registered User
Join Date: Oct 2009
Location: Phoenix, AZ
Posts: 475
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Re: Where does this go?
From my 71 service manual, the connector with pink, green and orange is indeed the anti-dieseling relay. This keeps the A/C compressor clutch engaged for a few seconds after turning off the ignition, which loads the engine enough to stop it dieseling. If the A/C blower switch is on, you will also notice the blower run on for a few seconds.
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1971 C10 Longbed, 350/TH350 |
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01-21-2014, 07:12 PM
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#10 | |
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Recalculating.....
Join Date: Nov 2010
Location: New Lenox Il
Posts: 686
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Re: Where does this go?
Quote:
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Brian - (BBrendal) 1969 Chevy Camaro Z28 1972 Chevy Blazer CST 2004 GMC Yukon (The truck that pulls the car trailer) 1972 Chevy Blazer CST #2 (Finished and sold!) Blazer build link... http://s1213.photobucket.com/albums/...rendal/Blazer/ |
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01-21-2014, 07:29 PM
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#11 | |
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Registered User
Join Date: Dec 2012
Location: Providence, RI
Posts: 211
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Re: Where does this go?
Quote:
If you plan to hook up and use the AC, you will need that switch hooked up for the AC compressor to turn on. In the spring and fall around here, I reach under the dash and unplug mine so the compressor isn't on all the time
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Mark 71 C10 Cheyenne 12 Aprilia RSV4 |
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01-21-2014, 07:56 PM
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#12 | |
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Recalculating.....
Join Date: Nov 2010
Location: New Lenox Il
Posts: 686
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Re: Where does this go?
Quote:
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Brian - (BBrendal) 1969 Chevy Camaro Z28 1972 Chevy Blazer CST 2004 GMC Yukon (The truck that pulls the car trailer) 1972 Chevy Blazer CST #2 (Finished and sold!) Blazer build link... http://s1213.photobucket.com/albums/...rendal/Blazer/ |
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01-21-2014, 08:15 PM
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#13 |
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Registered User
Join Date: Dec 2012
Location: Providence, RI
Posts: 211
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Re: Where does this go?
On mine, the relay switch is bolted to the bottom of the dash between the glove box and the AC controls. I forgot the exact name of the switch, it looks similar to the fan relay switch.
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Mark 71 C10 Cheyenne 12 Aprilia RSV4 |
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