ignition help - Team Camaro Tech
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post #1 of 8 (permalink) Old Mar 19th, 09, 05:44 PM Thread Starter
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Exclamation ignition help

i have a 67 camaro.on my ignition switch there is a brown wirer.i was wondering if it maybe a ground wire and if it is can i just ground it to the sub frame.i thought it was a ground.i was putting gauges in an i may have pulled it out.i wanted to make sure what it is.thank you for your help guys.i luve this place smiles ken

i have a 67 camaro on the tag it has a 2mg 3k on it what does that stand for thankz for your help .ken
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post #2 of 8 (permalink) Old Mar 19th, 09, 06:39 PM
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Re: ignition help

Brown is accessory power to/from fusebox - check radio fuse for voltage

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post #3 of 8 (permalink) Old Mar 19th, 09, 06:43 PM
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Re: ignition help

What gave you the impression the brown wire was a ground? Was it a voltage measurment or a resistance measurment?

I doubt that a brown wire is a ground. Grounds are almost always black and are bonded to the chassis a multiple points.

According to the AIM manual, the brown wire provides power for the radio, heater, wipers. The brown wire is not fused...it essentially supplies power to specific fuses.

I WOULD NOT DARE GROUND IT.

There is also a brown wire with a white stripe originating at the same point on the ignition switch which is a resistance wire. It loops between ACC (or is it IGN) power and the gen lamp circuit. It is a wire cut to length to provide a certain amount of resistance. Both ends of the wire terminate in the gauge cluster and ignition switch branches of the harness. But it also loops clear down by the heater duct before doubling back. It is supposed to keep the alternator excited when the GEN lamp burns out.

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post #4 of 8 (permalink) Old Mar 19th, 09, 06:46 PM
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Re: ignition help

Everett, my book shows the brown or brown/white going from the ign/run terminal going to the #4 wire on the regulator and the gen warning light. Then a second brown tied to accy and run terminals that is fused for the blower motor.

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post #5 of 8 (permalink) Old Mar 19th, 09, 07:53 PM
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Re: ignition help

Let me check, Yes, at the crimp between the switch and fusebox, a brn/wht goes to firewall thru to reg #4 terminal.

Thanks for catching, I'll get the next round.

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post #6 of 8 (permalink) Old Mar 19th, 09, 07:59 PM Thread Starter
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Re: ignition help

i dont have heat in the car.i have my own gauge cluster.would it be fine if justed type up the wire an not use it. thenks ken

i have a 67 camaro on the tag it has a 2mg 3k on it what does that stand for thankz for your help .ken
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post #7 of 8 (permalink) Old Mar 19th, 09, 08:49 PM
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Re: ignition help

No hookup of brown wire would mean alternator would not work. No 'excitement' voltage to alternator.

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post #8 of 8 (permalink) Old Mar 19th, 09, 08:58 PM Thread Starter
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Re: ignition help

so my 1wire alternator would be fine then.i just wanted to know what the wire was for.thanks for your help

i have a 67 camaro on the tag it has a 2mg 3k on it what does that stand for thankz for your help .ken
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