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01-04-2012, 12:31 PM | #1 |
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location of reverse switch on a 74 3 speed floor swap
Im trying to figure out where/how the reverse switch mounts on a 3 speed saginaw for a 74 stepside.
The PO did a column to floor swap and did nothing with the reverse lights. Im figuring that it mounts to the top of the tranny ahead of the shifter in the reverse gear position? Any one have a picture of one mounted? I dont even know what it would look like. Thanks ahead of time
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1973 k20 Suburban 350 1974 Custom stepside c-10 250 1975 Chevy stepside 454 1986 K30 Crewcab SRW 350 R.I.P- glimmertwin01- board member and good friend, you will be missed |
01-04-2012, 08:46 PM | #2 |
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Re: location of reverse switch on a 74 3 speed floor swap
It won't be on the tranny. Likely on the steering column down close to the floor end. On the top side of the tube. Unless someone removed it. If you still have the shifter collar on the column turn it upwards and see if your backup lights work.
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01-05-2012, 08:07 AM | #3 | |
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Re: location of reverse switch on a 74 3 speed floor swap
Quote:
Its still there at the bottom, Ill try to move that collar and see if they come on. Thanks I just got all my tail lights working last weekend (amazing what a ground strap will do) and just want her working 100%.
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1973 k20 Suburban 350 1974 Custom stepside c-10 250 1975 Chevy stepside 454 1986 K30 Crewcab SRW 350 R.I.P- glimmertwin01- board member and good friend, you will be missed |
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01-05-2012, 10:34 AM | #4 |
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Re: location of reverse switch on a 74 3 speed floor swap
Factory floor shift trucks had granny low 4 speeds. Reverse light switch was on the tranny.
Was yours a 3 on the tree? |
01-05-2012, 12:31 PM | #5 | |
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Re: location of reverse switch on a 74 3 speed floor swap
Quote:
So now I need to adapt/find a reverse switch for the saginaw tranny and not a stock chevy truck from the 70. Would something from an 80's work? Thanks
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1973 k20 Suburban 350 1974 Custom stepside c-10 250 1975 Chevy stepside 454 1986 K30 Crewcab SRW 350 R.I.P- glimmertwin01- board member and good friend, you will be missed |
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01-05-2012, 01:47 PM | #6 |
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Re: location of reverse switch on a 74 3 speed floor swap
I had a 74 swb stepper with the same problem way back in 1977. I built a bracket and installed a push button type switch that was contacted by the reverse arm on the tranny. Pulled the wires off the switch on the column and hooked them to the switch. When I put it in reverse the shifter arm pushed in the switch and backup lights worked.
You could do one similiar. My shifter was an old Indy universal type with brackets to mount it to the tranny. What shifter you got? I know a trick or two how to keep them shifting good forever too. |
01-05-2012, 02:57 PM | #7 | |
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Re: location of reverse switch on a 74 3 speed floor swap
Quote:
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1973 k20 Suburban 350 1974 Custom stepside c-10 250 1975 Chevy stepside 454 1986 K30 Crewcab SRW 350 R.I.P- glimmertwin01- board member and good friend, you will be missed |
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01-05-2012, 03:16 PM | #8 |
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Re: location of reverse switch on a 74 3 speed floor swap
That's the same one.
They get sloppy after a bit. The cure. That thru bolt that goes thru the shifter housing and arms is what I fixed. It runs on thru into the bracket and the instructions say to use a lockwasher to hold it in place. Doesn't work. Nut backs off and shifter gets sloppy. When you get it together and snug up the long thru bolt then drill a hole right thru the nut and the bolt. Put a small cotter pin in and it'll never get loose again. After you've run it a while pull the cotter pin out and turn the nut one more turn and install the cotter pin again. It'll run forever like that. |
12-13-2016, 12:54 PM | #9 | |
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Re: location of reverse switch on a 74 3 speed floor swap
Quote:
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12-13-2016, 01:19 PM | #10 |
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Re: location of reverse switch on a 74 3 speed floor swap
Likely only accessible under the cab unless someone cut a big hole in the floor to install the shifter.
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