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07-28-2003, 12:53 AM
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#1 |
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Registered User
Join Date: Jun 2001
Location: cambridge,ont,canada
Posts: 128
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Th350 C?
Will under the truck, I found a Black wire plugged into the transmission. It's a 2 connector type on the passenger side. The black wire is taped off on the end. I thought my truck had the original TH350. Is it a TH350C with a lockup, or is this original and I'm missing stuff?
 
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Nelson 1970 C10 350 Auto. A/C not Working |
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07-28-2003, 04:34 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Could that be the TCC thing?
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07-28-2003, 04:49 PM
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#3 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,664
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I think so.
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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 |
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07-28-2003, 09:41 PM
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#4 |
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Registered User
Join Date: Jun 2001
Location: cambridge,ont,canada
Posts: 128
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Did our trucks originally have TCC?
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Nelson 1970 C10 350 Auto. A/C not Working |
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07-28-2003, 11:29 PM
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#5 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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starting in 70 I think?
I might be mistaken...it might not have been TCC, but it was some sort of tranny BS that was hooked to the carb or something. I've never seen one since it was normally removed within a couple years. |
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07-29-2003, 07:39 AM
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#6 |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,253
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I bought a '72 th350. It had a switch on the passenger side that sounds like what you are describing. It looks like an engine oil pressure switch and stuck out the side of the tranny horizontally. The switch leaked when I installed the transmission so I removed the switch and plugged the hole with a 1/4" pipe plug. In the research I did at the time it made it sound like Chevy started putting that swith on the th350 in 72.
Later I removed that plug, or the other one on that side, and installed the temperature sensor for my auto meter trans temp gauge. When I was at the shop last week doing brakes on my daily driver one of the mechanics had a th350c on an engine stand. It had the universal case that fits chevy and BOP. The lock-up switch was on the drivers side and stuck up vertically from the ledge above the pan.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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07-29-2003, 07:42 AM
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#7 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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TCS transmission controlled spark...it only allowed the vacuum advance to work in high gear. I think a 350c says METRIC on the pan.
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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