Transmissions and Drivetrain Need help with your trans? Problems with your axle?

neutral/park safety switch

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Old Jun 30, 2004 | 05:12 AM
  #1  
madvikefan's Avatar
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
neutral/park safety switch

I am trying to figure out why I can't turn over the engine from the key in my camaro, its got a 700r4 trans.! Does the cable coming from the transmission need to be connected to the carburator? Or is there a neutral safety switch that needs to be connected somewhere???
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Old Jun 30, 2004 | 12:04 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
The TV cable on the transmission needs to be connected to the throttle linkage on the carb, or you will most likely destroy the transmission within a few miles. The park/neutral safety switch is located on the shifter.
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Old Jun 30, 2004 | 04:59 PM
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
OK, I know the cable from the tranny needs to be attached to the carb linkage but I have yet to hook up the gas line. I just wanted to make sure I have attached everything electrically since I am putting a wire harness from an 82 camaro into an 84 camaro.
My problem is that when I shift it into park or neutral and turn the key it doesn't turn over but when I hotwire it the starter turns the engine, help!
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Old Jun 30, 2004 | 06:45 PM
  #4  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
You don't have the park/neutral switch connected or if it is connected you don't have it adjusted properly.
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Old Jun 30, 2004 | 09:39 PM
  #5  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
I've opened the center compartment under the shifter and found the plug attached to the shifter switch. There are (2) 10 gauge wires, purple and grn/wht (showing 0 volts whether I turn the key or not) and (4) 14 gauge wires, green, blue, orange, blk/wht.
The blue wire has a constant 12v and the blk/wht has a constant 10v again whether I turn the key or not, the smaller gauge green and orange wires have no power to them key on or off. Therefore it is my assumption that since there is a lack of juice or no change of that juice going to the switch whether the key is on or off, the problem must exist before the shifter. Does anyone concur?
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Old Jun 30, 2004 | 10:14 PM
  #6  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Give me the color coding of the wires for each pin in the park/neutral switch connector.
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Old Jul 1, 2004 | 06:28 AM
  #7  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
Pin A-blk/wht 14 ga
Pin B-orange 14 ga
Pin C-blue 14 ga
Pin D-green 14 ga
Pin E-purple 10ga
Pin F-green/wht 10 ga
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Old Jul 1, 2004 | 07:08 AM
  #8  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
According to my schematics for the 82 camaro, this is what you should have and what they do.

A= black/white (ground)
B= orange/black (signal to ECM)
C= dark blue (hot wire from turn-b/u fuse)
D= light green (wire to back-up lights)
E= purple (wire to terminal "S" on starter solenoid)
F= yellow (wire from ignition switch)

Pin "F" is where it varies here, you have a green/white wire and the schematic shows a yellow wire. Does your green/white wire come off the ignition switch?
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Old Jul 1, 2004 | 04:15 PM
  #9  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
Sorry I didn't get back to you sooner my wife made go fishing, damn her!? Hee hee. Anyway I couldn't tell if the green/wht wire travels to the ignition switch or not, after the shift switch it becomes buried deep into the dash. But if the black/wht wire is supposed to be ground and I receive a constant 10v from it does that not mean something shorting to ground?
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Old Jul 2, 2004 | 02:23 AM
  #10  
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From: Tacoma, Wa
Car: '91 TA vert
Engine: turboLSx
Transmission: T56
Axle/Gears: 3.23
You should be able to hardwire, or just at least connect temp. the purple and darker green wires together. One should come from the ignition switch in the column (green) and one should go to the starter (purple)

No VATS, right?
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Old Jul 2, 2004 | 03:25 AM
  #11  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
OK I'll try it...But, what do you mean by "no VATS"
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Old Jul 2, 2004 | 08:33 AM
  #12  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by madvikefan
OK I'll try it...But, what do you mean by "no VATS"
Don't worry about it, you don't have it in your car. It stands for Vehicle Anti-Theft system. The two wires he is talking about jumpering is pins "E" & "F". If you don't show any voltage at either pin with the key turned to start it won't matter because you aren't getting any power from the ignition switch.
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Old Jul 2, 2004 | 11:19 AM
  #13  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
I kinda thought thats what it meant, but was afraid to act on my intuition (it sometimes gets me in trouble). Anyway, since I've got voltage going to ground that isn't good so I think I'll start troubleshooting from there! Hey, thanks again for all your help!
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Old Jul 5, 2004 | 06:58 AM
  #14  
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From: Madison, Wisc
Car: 85 transam
Engine: 305
Transmission: 700r4
Anybody know where I can get a wire harness for an 84 camaro?
The one I got comes from an 82 and its got some differences.
I can try the local Junk Dealers but they're too inconsistant.
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