69 BB...Yellow Wire from Starter Live? - Team Camaro Tech
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post #1 of 12 (permalink) Old May 11th, 09, 07:11 PM Thread Starter
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69 BB...Yellow Wire from Starter Live?

I replaced my harness in my 69 big block (was small block). The wire from the starter to coil is always live with the battery hooked up. The resistor wire from the fuse block is also live, even though I separated them hoping to use it for my HEI. The yellow wire to wiper motor is live too... should the 'R' be live all the time? If so, why does it go to the coil?
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post #2 of 12 (permalink) Old May 11th, 09, 07:26 PM
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Re: 69 BB...Yellow Wire from Starter Live?

Sounds like an issue at the keyswitch. Neither the Yellow from starter or the wire to the resistor should be hot at all times. Once your car was started you'd never be able to shut it off. Yellow wire should die out after switch is turned from start to run. If not, with a regular dizzy you'd melt the points in very short order as a normal dizzy only runs on 6+volts.

Recheck the connections on the start switch through the fuse block.

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post #3 of 12 (permalink) Old May 12th, 09, 05:22 AM Thread Starter
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Re: 69 BB...Yellow Wire from Starter Live?

I thought so. Fortunately, I've been running from fenderside for engine break in and ran a separate wire from battery. Since I'm now trying to get it to a normal state of running, I noticed the issue. I found some melted wires going to the console harness later last night and think I've got a wire backfeeding to the fuse block and to the whole system.. Even the acc tang on the fuse block is live with key off. Will dig into it more tonight.. Thanks
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post #4 of 12 (permalink) Old May 12th, 09, 05:26 AM
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Re: 69 BB...Yellow Wire from Starter Live?

Quote:
Originally Posted by Nantooch View Post
Yellow wire should die out after switch is turned from start to run.
The yellow wire doesn't go 'dead' in the run position, it is always at the same potential as the positive lead to the coil.

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post #5 of 12 (permalink) Old May 12th, 09, 07:15 PM Thread Starter
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Re: 69 BB...Yellow Wire from Starter Live?

Well, the problem was I wired a used one-wire alternator up, but plugged in the 2 prong connector too (following directions from another blog). All wires from it are live all the time, so it back fed into my system to the fuse block. I pulled the 2 prong connector out and all works perfectly now.

What does the 'R' on the starter mean? Regulator? though it goes to the coil?
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post #6 of 12 (permalink) Old May 12th, 09, 08:06 PM
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Re: 69 BB...Yellow Wire from Starter Live?

Quote:
Originally Posted by 69RSMAN View Post
Well, the problem was I wired a used one-wire alternator up, but plugged in the 2 prong connector too (following directions from another blog). All wires from it are live all the time, so it back fed into my system to the fuse block. I pulled the 2 prong connector out and all works perfectly now.

What does the 'R' on the starter mean? Regulator? though it goes to the coil?
R stands for relay. It is connected to a relay contact that puts 12v directly to the coil when the solenoid is engaged.

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post #7 of 12 (permalink) Old May 12th, 09, 08:36 PM
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Re: 69 BB...Yellow Wire from Starter Live?

sorry to hear about your harness, glad you got it straightend out.

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post #8 of 12 (permalink) Old May 13th, 09, 07:21 PM Thread Starter
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Re: 69 BB...Yellow Wire from Starter Live?

Thanks... Me too!

Does the 'R' output only come live when solenoid is enaged? In other words, I can't connect that wire to my HEI becuase it won't stay live when the car runs...sound right? I connected to an acc tang on the fuse block.
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post #9 of 12 (permalink) Old May 13th, 09, 07:51 PM
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Re: 69 BB...Yellow Wire from Starter Live?

that's correct, it's only powered in start, not run





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post #10 of 12 (permalink) Old May 13th, 09, 09:25 PM
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Re: 69 BB...Yellow Wire from Starter Live?

Quote:
Originally Posted by 69RSMAN View Post
...I connected to an acc tang on the fuse block.
What did you connect to ACC power?

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post #11 of 12 (permalink) Old May 13th, 09, 10:06 PM
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Re: 69 BB...Yellow Wire from Starter Live?

ACC is not powered in START position, so you may have to move to IGN source during start.

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post #12 of 12 (permalink) Old May 14th, 09, 06:13 PM Thread Starter
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Re: 69 BB...Yellow Wire from Starter Live?

You're correct. I had it on Acc and it didn't start so I moved it to Ign (lowest tang). It worked after that.
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