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08-14-2025, 09:16 AM
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#1 |
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Registered User
Join Date: May 2025
Location: Lakes Region, NH
Posts: 5
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Ignition switch- ACC powers points?
I’m wiring my fuel pump and ignition box. I figured the yellow wire to the coil would be hot only in the start and run positions, but it’s on in the acc position also. Is my switch bad?
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Pat - Pat's Car Stuff - 68 Camaro RS - 68 C10 Shortbed |
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08-14-2025, 12:12 PM
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#2 |
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Senior Member
 
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 7,066
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Re: Ignition switch- ACC powers points?
No, there should be no power to the points in the "ACC" position. If so, then someone has messed with the wiring.
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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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08-15-2025, 12:21 AM
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#3 |
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Registered User
Join Date: May 2025
Location: Lakes Region, NH
Posts: 5
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Re: Ignition switch- ACC powers points?
Thanks!!
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Pat - Pat's Car Stuff - 68 Camaro RS - 68 C10 Shortbed |
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08-16-2025, 08:49 PM
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#4 | |
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Registered User
Join Date: Dec 2017
Location: Elkhart, Texas
Posts: 2,108
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Re: Ignition switch- ACC powers points?
Quote:
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08-17-2025, 02:26 AM
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#5 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 16,400
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Re: Ignition switch- ACC powers points?
These two connectors in the fuse block are hot when the ignition is on only pins. I have my hei plugged into one of them on my 71.
I did that rather than deal with the resistor wire and bypass wire that were part of the points setup. I just taped the stock ign wire up and tied it up to the wirring harness so I could quickly and easily stick a point style distributor back in if I ever wanted to.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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08-21-2025, 12:13 PM
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#6 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 7,066
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Re: Ignition switch- ACC powers points?
Keeping the points wire is a great idea, but all that is really needed is to replace the resistance wire on the engine side of the firewall with a 12 gauge wire to power the HEI. You could always remove the 12 gauge wire and reinstall the resistance wire if you wanted to switch back to points.
__________________
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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