Good battery - no power - Team Camaro Tech
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post #1 of 28 (permalink) Old Nov 11th, 12, 09:44 PM Thread Starter
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Rob
 
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Good battery - no power

Stumped on this one. 1969 camaro SS. Rewired the car two years ago with an AAW kit and have had great results. Drive the car all the time. Come out the other day and no power on key turn. First time, the starter clicked once and it's been dead ever since. No lights, no clicks, no nothing. 13.7 volts at battery. One wire alternator, AAW under dash horn relay, no voltage regulator. Have started tracing wires yet, not sure where to start. Any ideas?

Thanks!

robe9000
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post #2 of 28 (permalink) Old Nov 11th, 12, 09:48 PM
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Michael Gekko
 
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Re: Good battery - no power

Have you checked any fuses and fusible links yet? Battery terminals and connections?

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post #3 of 28 (permalink) Old Nov 11th, 12, 10:00 PM
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Re: Good battery - no power

Check your battery for amps. I had a bettery that showed good voltage but it only had 10 amps so it wouldn't crank.

Roger

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post #4 of 28 (permalink) Old Nov 11th, 12, 10:00 PM Thread Starter
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Re: Good battery - no power

Battery connections are good. Fuse box is good. Haven't checked fusible links yet. The ignition is and Mallory HEI witha Mallory Hyfire Box - BTW.

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New TH350, 383 Vortec Stroker, E-brock 178 cc Aluminm Heads
E-brock Air Gap Manifold, Mallory, Holley yada yada

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post #5 of 28 (permalink) Old Nov 12th, 12, 12:39 AM
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Re: Good battery - no power

Could be the neutral safety switch. Jiggle the shifter or jumper across it. Could also be the ign switch. Could be lotsa things, but that's where I'd start looking. A test light will help you diagnose - start at the S terminal on the solenoid and work back toward the battery.


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post #6 of 28 (permalink) Old Nov 12th, 12, 04:20 AM
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Re: Good battery - no power

Do your lights and everything else work? Is it just not cranking over?

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post #7 of 28 (permalink) Old Nov 12th, 12, 04:27 AM
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Re: Good battery - no power

Power from the firewall to the inside is split, one leg to headlamp switch, the other leg to ignition switch, two parallel circuits.
You have no lights whatsoever, but battery measures good, at the posts.
Measure from the post to the clamp about the post.
If you read battery voltage, then clamp and post are dirty in their connection.

If the connection is clean, then follow the power lead from the battery - junction block? and continue searching for the open connection until lights come on. Once you find this open, I wager ignition & start will come back.
Battery to junction block to horn relay buss bar to two places, alternator BATT stud, and to firewall connector. Look at HR buss bar, disconnect and wire brush all, reassemble.

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post #8 of 28 (permalink) Old Nov 12th, 12, 07:39 AM Thread Starter
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Re: Good battery - no power

Excellent advice everyone. I'll try to address everyone in one post:

1. No lights, no interior lights, no cranking
2. The ignition switch is less that two years old but I'll certainly check it - I presume there's a thread on here somewhere on the best plan for doing that.
3. The headlight switch is a good culprit
4. Neutral safety switch is a good thought too - jiggled the shifter considerably trying to start and nothing but may need to take it all apart to do a better job.
5. Good point on the amps for the battery - was pissed at first so forgot that one.

I'm gonna try to cover off some of this tonight and tomorrow night - I'll keep you guys posted.

Thanks for all the help!

robe9000
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New TH350, 383 Vortec Stroker, E-brock 178 cc Aluminm Heads
E-brock Air Gap Manifold, Mallory, Holley yada yada

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post #9 of 28 (permalink) Old Nov 12th, 12, 08:12 AM
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Re: Good battery - no power

Based on what you have posted, I would say its the quick disconnect wire that is hooked up to the starter. I had the same problem and baffled me for days. I too used American auto wire. It was a faulty connection, I didn't solder the wire.

Hope this helps.
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post #10 of 28 (permalink) Old Nov 12th, 12, 12:40 PM
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Re: Good battery - no power

I'm with Everett. Horn relay buss bar.

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post #11 of 28 (permalink) Old Nov 12th, 12, 01:46 PM
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Re: Good battery - no power

We never got an answer to does he have headlights? Put a test light on the battery and watch what it does when you turn the key.

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post #12 of 28 (permalink) Old Nov 12th, 12, 06:52 PM
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Re: Good battery - no power

He has the classic update 1 wire alt. with no main splice and no external voltage reg. Horn relay is under dash.

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post #13 of 28 (permalink) Old Nov 13th, 12, 03:54 AM
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Re: Good battery - no power

Still, just the same, the Camaro has a power lead going into the interior powering accessories/circuits needed. Follow the lead.

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post #14 of 28 (permalink) Old Nov 14th, 12, 08:07 AM Thread Starter
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Re: Good battery - no power

You guys are awesome. Sorry for the no replies. Have had to work late this week and haven't been able to get back to the car. When I get to it, I'll be sure to share my findings! Sorry to leave y'all hangin'.

robe9000
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'69 SS350 Cortez Silver Black Stripes
New TH350, 383 Vortec Stroker, E-brock 178 cc Aluminm Heads
E-brock Air Gap Manifold, Mallory, Holley yada yada

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post #15 of 28 (permalink) Old Nov 14th, 12, 08:22 AM
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Re: Good battery - no power

I am having a case of foggy DejaVu on this one. I kind of remember in 1975 as a 16 year old driving my sisters 69 camaro to the bank. Went in and made my deposit, when I came out I got nothing when I turned the key. Nothing. My dad and I worked on that one for quite a few hours. Turned out to be the thin little wire that came from the battery cable connection had gotten corrosion inside the vinyl covering and eaten away the wire. Everything looked good except a tiny fat spot in the wire right there. Moral of the story..........Start at the battery with a volt meter and check every connection back until you find it. Good luck
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