Question about 1986 Chevrolet Chevy

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I have a 1974 chevy 4x4, 350, w/double barrol carb. ive replaced the starter, ign. switch, and when i go to start it, i get nothing. it wont even turn over, but i do get power to the cab(my radio , and headlights). what could it be? i did hook the wires(to the new starter) the way the old one was.

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  • rj_cisneros1 Jul 28, 2008

    hey mike, i just got in from show low,az. and got your helpful hints. However, i havent had the chance to check those wires yet. but the connecter you are talking about, isnt that the safety neutral switch? get back at me . thanks for helping out, im sure we'll figure this out.

  • rj_cisneros1 Jul 29, 2008

    wow! now thats what i call genuine, mike! that machine has got to keep you on your toes, huh? well congrats on your achievement, looks like i picked the right site to find help on my chevy.....yeah i'll try that fire wall deal when i get my next day off...semes that time is hard to come by these days. fyi, idid jumper the hot wire from the starter, under the hood, and it started up. but..it wont start from the ignition swithch. so i'm thinking its gotta be in the inside somewhere. NOW...someone told me when you install a new igniion swithch, that it needs to be adjusted, now thats a new one to me mike! i did install a new one about two weeks before this prob. and i didnt experiance any problem with the new ign. switch at all. it turns to the start position, then springs back to the acc. pos..like an ignition is supposed to. if you have an idea of what thats about, let me know would ya? robert

  • rj_cisneros1 Jul 31, 2008

    ok mike, i will try the needle check method! i will probably do this on friday because its my first day off. i will let you know how you(ha ha) did. hey man....thanks a mill. for guiding me through this i am certain i will get my truck fixed without the cost of labor.



    thanx again

  • rj_cisneros1 Aug 02, 2008

    well mike......it was the safety/neutral switch! started right up...like a champ! glad thats over with. now.. that problem occured while i was trouble shooting something else... yup. maybe you can be of assistance with this one. it origanally started when my truck stalled at a red light, and it does this mostly in the summer when its hot. once my truck warms up to about 180 or so, it stalls at a stop.unless i pump the gas for a split second, then takes off. ive put (the ol' method clothes pins) on the fuel lines, changed my fuel filters, replaced the carburater base gasket, fan and clutch,......what could it be? something is getting hot somewhere and stalling at a stop. would a coil on an electronic ign. cause that? remember... it wont stall if i throw it in neutral( at a stop light) and pump the gas reall quick to take off. if you can solve this one ..then i'll send you flowers....ha ha ha, don't take that serious.thanks mike!

  • Jazbo37 Oct 22, 2008

    I have a 1979 Chevy p/u 4x4 automatic and I need help on installing my neutral safety switch. If anyone has instructions on how to install this that would really help me.

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Hey there,

I've got a '75 Blazer that has gone through so many starters.....

Even though you're sure you wired the new starter correctly, thats where I'd start.

Pull it off and double check. In fact, I've gotten 'New' dead starters before. Bench check it.

I know its a drag but so it's not a total waste of time, I've got a tip for you that has saved me a ton of time when I'm working on the engine.

While you have the starter off, run a second wire from the start terminal on the solenoid up into the engine compartment. This will be your 'Remote/Test Start'.

Add a heavy duty momentary switch and your problem is solved.

But that's plan B, We're still on Plan A.

Reinstall the starter.

Touch that extra wire to +12V DC and it should turn over (Just checking)

Assuming all is well so far, my next target is near the base of the steering column.

There are two wires plugged into a connector on the top side of the column near the floor. They are usually purple and orange (but could be anything).

One is the line to the starter, the other is the power. This is usually where car alarms with a 'Starter Kill' feature are hooked up. See how good it works?

Make sure these wires and their connector are tight.
Try it again.

Try these steps and let me know how it goes.

Mike

Posted on Jul 25, 2008

  • 2 more comments 
  • Justin Case
    Justin Case Jul 28, 2008

    Hi RJ,

    Glad to have you back.

    Yes, it is the neutral safety switch. A bit easier to check than pulling the starter. The troubleshooting order in my last post was just what came to mind first. By all means, check the easy access stuff first.


    My Blazer.

    Pulling and checking the starter doesn't require jacking it up. My apologies. You can see why I added the extra 'remote start' wire though. Climbing down from that bumper to turn it over gets real old. OK , I'm done showing off. Back on task.

    The wire to the start terminal on the solenoid is also pretty handy when troubleshooting a start problem (especially if you work alone).

    You can hook it to a test light to see if you are getting power down there while still inside the cab (turning the key).

    Let me know what you find out. I've got schematics to help out once we localize the problem. I'm sure we'll figure it out too!

    Mike




  • Justin Case
    Justin Case Jul 29, 2008

    Hey there RJ,

    Yes, tippy toes, and that's just to get in.

    Good news that it turns over 'remotely'. That narrows it down to the steering column area. Neutral safety, ignition (its possible) switch, harness connections.

    I can narrow it even more. Drum roll....

    The Purple Wire!!!!

    This wire is connected to the SOL terminal of the ignition switch. When you turn the key to START (in a perfect world), the SOL terminal, the purple wire and the Starter Solenoid get +12VDC.

    Time for another tip: The Needle Probe


    • Get a safety pin, sewing needle, something thin and pointy.

    • Connect it to a test light using alligator clips (or whatever)

    • Now you can check voltage on insulated wire without stripping it. Just poke the needle through the insulation.

    • It will stay there too. You can check 'purple' for voltage without needing someone to hold the key on START.

    • You can apply voltage the same way to check the Line from that point to the solenoid.

    • Neat stuff
    Adjustment to the key? Not no much an adjustment as it is an exacting installation requirement. On '72 and earlier models, during installation the cylinder, it required a 0.070" clearance between the bezel and the housing to line up the snap rings.

    Aren't you glad you have a '74?

    Let me know how it goes.

    Mike


  • Justin Case
    Justin Case Jul 31, 2008

    Looking forward to hearing about it.
    Mike


  • Justin Case
    Justin Case Aug 04, 2008

    Glad to hear it it. Classic troubleshooting done well, by you.

    As far as the new problem, how about a favor?

    Click the ASK button near my name. This makes a new problem.
    Why? So you can give me a higher rating, of course.

    Mike



×

I have fixed sevaral chevy's simaliar problem.on the fire wall above the steering colum is a circit breaker you might take a test light and make sure both side has power .If they do check other fuse able links on starter wire and alter wire

Posted on Jul 27, 2008

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