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04-18-2023, 01:00 PM | #1 |
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Location: Lucas, TX
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Final wiring dilemma .......maybe
Thank you all for your advice and assistance to date on my wiring questions. This one isn't really a wiring question as much as it is a question on how to implement the use of two new wires in my American Autowire wiring harness.
As you all know, the 1953 truck didn't have backup lights, but I always intended to implement them and have devised a backup light solution to make that happen. (see pics below) I've installed a Grote LED tail/turn/brake/backup lens into a motorcycle fog light bucket. However, my GM 4 speed transmission doesn't have a backup light switch and so far I've been unable to find one that was designed for this transmission. Given the hot rod nature of this truck given the previous owners design of the floor shifter, I can't find anything that will work on it either. Below are a photo of the transmission linkage (and I've pointed out the reverse linkage) and the floor shifter. I'm open to any great ideas that you guys have on how I can integrate a backup light switch. Alternatively, if you are aware of a backup light switch kit that can be installed on this transmission, please let me know.
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
04-18-2023, 01:08 PM | #2 |
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Re: Final wiring dilemma .......maybe
For those of us not 100% up to speed.
Exactly what transmission are you running? |
04-18-2023, 01:15 PM | #3 | |
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Re: Final wiring dilemma .......maybe
Quote:
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
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04-18-2023, 01:16 PM | #4 |
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Re: Final wiring dilemma .......maybe
I would just put a micro switch on a bracked mounted to those two bolts below your arrow on first picture and if you shift reverse it engages the micro switch.
OR disengages (which turns on backup) depending on how the lever moves. There are lokar and other brands who do something like this on automatics for netural / park switches and reverse etc. Lokar example bracket attached. |
04-18-2023, 01:19 PM | #5 |
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Re: Final wiring dilemma .......maybe
You could also do something with position in cab but that a lot of extra stuff and wires to get kicked bumped and broken.
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04-18-2023, 01:23 PM | #6 |
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Re: Final wiring dilemma .......maybe
Found another site online that has PICTURES. Seems that gm even had a switch and linkage for it.
https://www.jalopyjournal.com/forum/...inkage.957909/ |
04-18-2023, 03:16 PM | #7 |
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Re: Final wiring dilemma .......maybe
I use a switch like this on my Muncie.
This switch has a rod (coat hanger) that attaches to a hole in the reverse lever. When put in reverse, it completes the circuit, and the lights come on, take it out of reverse, the lever 'swings' and breaks the circuit. Hope the pics help
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04-18-2023, 03:20 PM | #8 |
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Re: Final wiring dilemma .......maybe
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04-18-2023, 03:22 PM | #9 | |
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Re: Final wiring dilemma .......maybe
Quote:
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04-19-2023, 04:15 AM | #10 |
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Re: Final wiring dilemma .......maybe
That's going to take the least amount of fabricating and probably be far less trouble when all is said and done.
There is a mounting kit for that switch if you have a muncie. There is probably a mounting kit for a Saginaw 4 speed if you have one too. https://www.camarocentral.com/1967_1..._p/das-299.htm Or at least the photos of the pieces might get the fabricating brain entergised.
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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. |
04-19-2023, 02:27 PM | #11 | |
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Re: Final wiring dilemma .......maybe
Quote:
Here is a photo of it mounted already (five minute after I got home). I still will need to fashion a connecting rod from the switch to the reverse shift bracket, but that will be a piece of cake. Thanks to everyone that suggested this switch, not only will it work, the bracket for the Muncie fits perfectly.
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
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04-19-2023, 03:14 PM | #12 |
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Re: Final wiring dilemma .......maybe
that is good to hear,
I don't know if you can see in my pics, but drill a hole in your reverse gear lever, and attach a wire (coat hanger) with a bend on both ends,(similar to door lock and latch rods in a door) Glad it worked out for you.
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04-19-2023, 03:16 PM | #13 |
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Re: Final wiring dilemma .......maybe
Excellent, I will exactly that!
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
04-19-2023, 03:55 PM | #14 | |
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Re: Final wiring dilemma .......maybe
Quote:
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04-19-2023, 04:18 PM | #15 | |
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Re: Final wiring dilemma .......maybe
Quote:
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
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04-19-2023, 04:41 PM | #16 |
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Re: Final wiring dilemma .......maybe
perfect, glad it worked well for you.
now, on to the next task.......... the life of a restoration
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04-19-2023, 04:45 PM | #17 |
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Re: Final wiring dilemma .......maybe
Yep. One down, hundreds to go.
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1953 Chevy 3100 - 5 window 1/2 ton pickup My 1953 Chevy Work-In-Process Photo Gallery "I don't have a carbon footprint, I drive everywhere." |
04-20-2023, 11:22 AM | #18 |
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Re: Final wiring dilemma .......maybe
You know the best part of this thread. The creator actually replied with the outcome with pictures. Sooooo much better than the thread that get started and the creator goes radio silent after they fix the issue without telling anyone or does something completely different.
Super shout out to TX3100Guy and his great work and followup. |
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