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04-22-2016, 02:51 PM
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#1 |
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250 V-6 Club
 
Join Date: Feb 2005
Location: San antonio, TX.
Posts: 898
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Vacuum help
I have a 70 c10 with original 250 straight 6. Installed the new painless harness but cant figure out how this vacuum thing is hooked up. It has 2 wires a black and green. Any advice?
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1970 Chevy C/10 6 Cyl. 43k original miles all factory  .http://67-72chevytrucks.com/vboard/s...d.php?t=197523Never ask a stupid question unless you want a stupid answer  .
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04-22-2016, 03:09 PM
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#2 |
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Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
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Re: Vacuum help
Transmission controlled spark advance soleniod.
Read up on pages 6T-1 & 2 in the factory 70 chassis service manual. RTFM Doubt you painless harness supports it, but the manual does have the simplified operational schematic on the noted page 2. The full factory schematic is on page 12-31.
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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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04-22-2016, 04:20 PM
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#3 |
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250 V-6 Club
Join Date: Feb 2005
Location: San antonio, TX.
Posts: 898
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Re: Vacuum help
thanks now to figure out how to wire it. lol I had a (so called mechanic) install the harness and he never finished so now I'm trying to get it going and have no idea where some of these go.
__________________
1970 Chevy C/10 6 Cyl. 43k original miles all factory .http://67-72chevytrucks.com/vboard/s...d.php?t=197523Never ask a stupid question unless you want a stupid answer .
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04-22-2016, 04:27 PM
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#4 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,367
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Re: Vacuum help
Is your TCS operable? If not I would just leave it unhooked or remove it completely.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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04-22-2016, 04:58 PM
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#5 |
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250 V-6 Club
Join Date: Feb 2005
Location: San antonio, TX.
Posts: 898
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Re: Vacuum help
Ok thanks
__________________
1970 Chevy C/10 6 Cyl. 43k original miles all factory .http://67-72chevytrucks.com/vboard/s...d.php?t=197523Never ask a stupid question unless you want a stupid answer .
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04-22-2016, 05:03 PM
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#6 |
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250 V-6 Club
Join Date: Feb 2005
Location: San antonio, TX.
Posts: 898
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Re: Vacuum help
If i put power to the green and ground the black i hear it click. Other than that I don't know how to test it. Thanks
__________________
1970 Chevy C/10 6 Cyl. 43k original miles all factory .http://67-72chevytrucks.com/vboard/s...d.php?t=197523Never ask a stupid question unless you want a stupid answer .
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