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#1 |
Registered User
Join Date: Feb 2005
Location: Bay Area, California
Posts: 995
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Mystery wire...
I was rolling arround under my truck yesterday (so much fun) looking for a oil leak when I saw a wire that was not connected. It came right down to the transmission (I have a 3 on the tree) and looks like it should connect right next to the engine side linkage bolt. I would have taken a pic but it would be too close to focus.
At first I thought it might be for the backup lights, but then I remembered that the backup lights are controlled by a switch on the colum, and the backup lights work even though this wire is broken off. Any ideas?
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1971 Chevy C10 Shortbed Stepside, 307v8 3-on-the-tree |
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#2 |
Resident Curmudgeon
![]() Join Date: Dec 1999
Location: NH
Posts: 6,664
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Goes to TCS switch (transmission controlled spark). Early emmissions control system. In essence:
An emissions-control system to prevent distributor vacuum advance at normal operating temperature until the transmission has shifted into high gear by using a transmission-mounted electric switch controlling a solenoid-actuated vacuum valve.
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter ![]() Maybe I need to sell some of this crap ![]() Yet another Bozo with a sawz-all Last edited by CPNE; 07-25-2005 at 12:05 PM. Reason: added more info cause I'm a nice guy |
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#3 |
Registered User
Join Date: Feb 2005
Location: Bay Area, California
Posts: 995
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Whoah. That was a bit over my head. But I think I get the gist. Emission thingy. Will it hurt to leave it off? Or does it make the engine run less efficient?
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1971 Chevy C10 Shortbed Stepside, 307v8 3-on-the-tree |
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#4 |
Resident Curmudgeon
![]() Join Date: Dec 1999
Location: NH
Posts: 6,664
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Ahhh, so its you that's responsible for this summer's heat wave. Fix that wire dammit
![]() Seriously, if your social concious allows it, leave it alone, your truck will be fine...though the rest of us may suffer. ![]()
__________________
Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter ![]() Maybe I need to sell some of this crap ![]() Yet another Bozo with a sawz-all |
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#5 |
Registered User
Join Date: Oct 2000
Location: St. Johns, Arizona
Posts: 2,660
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CPNE, is it my imagination, or has Boz-all gotten uglier?
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my 2¢ - t.i.o.l.i. Bowen 1968 K20 fleet 1969 K10 swb fleet 1972 K10 Suburban 1972 C10 lwb step 1992 K1500 'burb 1995 K2500 'burb 1997 C1500 'burb 1999 K1500 2000 K1500 'burb Why do I own so many Suburbans? |
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#6 | |
Resident Curmudgeon
![]() Join Date: Dec 1999
Location: NH
Posts: 6,664
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Quote:
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__________________
Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter ![]() Maybe I need to sell some of this crap ![]() Yet another Bozo with a sawz-all Last edited by CPNE; 07-25-2005 at 02:00 PM. |
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