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Old 10-06-2005, 11:11 PM
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neutral safety/backup lights

I have a 67 chevy half ton step side with a 454 installed. after i bought it, the lights quit working, and it started running like crap. the wiring was all done manually and would have made walt disney proud! i bought a painless kit, a new starter, a new coil, and gave it a tuneup. i ran into a small problem, i cannot find a neutral safety swith anywhere, it wouldnt start, so i bypassed it(cut the spades off and connected them together). it runs like a champ now! problem is, the reverse lights dont work, and im blowing fuses lke mad. people tell me its because of the neatral safety switch, which i didnt think stick shifts even had. where should my neutral safety switch be? my backup light switch(on the side of the tranny) only has two prongs.

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Old 10-06-2005, 11:42 PM
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what wires have you put on to the reversing switch on the box?i take it you have them the wright way round and are you sure the problem with the fuse,s blowing is not with the lamp,s
i take it you mean manual when you are saying stick shift if so you wont need the safety neutral switch
cheers stuart
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Old 10-06-2005, 11:47 PM
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NS switch..

Doc here,

If it originally had a column shift MT or AT..the backup NS switch will be located at the bottom of the steering column, on the top of it, and looks like this:



You can get a replacement here:
http://www.partsamerica.com/ProductD...pe=401&ptset=A

The Switch in the tranny, is the backup lamp switch for whatever car it came out of..you can use it, or go back to the column ...

My guesstimate would be someone cross-wired the circuits when extending the backups and your getting a short to ground (causing loss of power possibly to the ignition) and blowing fuses..you might want to review that circuit...here is the way it should be wired..be advised a clutch over ride is involved too...



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Old 10-07-2005, 01:14 PM
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replaced backup switch

the original owner says that the tranny is original to the truck, he just put in a new bell housing for the big block engine, which he got out of a 73 el camino. ill try replacing the tail light switch. I think your diagram will help too! hanks
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Old 10-10-2005, 11:40 AM
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thanks for your help!

I replaced the tail light switch, and everything works fine. I think ill keep using painless harnesses, although more documentation/specs could have helped. I decided not to put in a clutch override( I dont let kids play in my truck anyways). Thanks for your help...Im a rookie at this restoration stuff so I'll be back for more help im sure!
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Old 10-10-2005, 04:52 PM
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Fix

Doc here,

Glad to hear it all worked out for you..

You might want to consider that clutch switch in future...Cuz ya never know when you THOUGHT it was in neutral, hit the starter in a tight parking space, and cream the back of the beemer in front of you...

The hardest part of that switch now is mounting it..now all's you have to do is separate one of the wires to the NS switch and run it through that switch..and the mounting holes should already be above the clutch pedal..

Just a thought, accidents aren't exclusive to kids alone..I know ask my insurance company..

Anyway, thanks for the update..and letting us know!
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Old 10-11-2005, 08:48 PM
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Vehicles that age didn't come with clutch switches in the starter circuit. Those appeared in the late '60s. I wouldn't have one on any vehicle of mine, but then I grew up without them & I always start mine in neutral. It's easier on the thrust bearing in the engine. Plus, you never know when you'll need to crank a stalled vehicle off a railroad track or a busy highway, or out of a big old puddle.
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Old 10-12-2005, 03:32 PM
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agree

the problem with my truck is it is not original, the motor is a 454, and the owner says the tranny is original, but i have my doughts, as i actually found an old neutral safety switch in the glove box, which wouldnt work with a shifter on the floor (I think it used to be shift on the column, or maybe even automatic). I am very careful as to not start my truck in gear, and never park it in neutral, so the first thing i do is put it in neutral with my foot on the brake
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Old 10-12-2005, 10:32 PM
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E brake

Doc here,

Another easy option If you ever decide to use one, Is an Emergency brake override in lieu of the clutch override..

In this way, it will cut the Solenoid Energize power anytime the ebrake is applied..Leaving the clutch free to work in situations as Jmfulco mentioned..

And if you ALREADY have an EBRAKE lamp..It's super easy to do, either replace the single pole switch on the brake handle with a double pole switch..or use the single pole switch to energize a relay with the override circuit on it..

Just a thought for the future Should you ever desire the circuit..

I like the override (either way) In the off chance that the "s" wire ever shorts out and the starter goes into perpetual crank mode.. you can cut power to it by just having the brake on, or the clutch out (actually it won't happen until you release whichever one you use..)

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Old 10-13-2005, 05:44 AM
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All sounds a bit sus, sbc and bbc can use the same bellhousing. Just get a GENUINE wiring diagram and wire it accordingly. Less traffic in 67 but people cared more.
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Old 10-13-2005, 09:14 AM
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Hei

hey guys thanks for your help...I think ill call this part of the project done. I got to pass inspection so i can park in my driveway while im in school. Im a full time college student, so time and money for this project is a problem. when i graduate, i will take the truck apart and rebuild it from top to bottom, and then i may consider the clutch override (I think im going to put in an MV4500 five speed which should have one anyway). anyway, the next step i can afford to do now is converting it from points to HEI. Ill probably be back here when i get started on this. Thanks again for your help!!!!
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