67 Camaro no power to anything - Team Camaro Tech
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post #1 of 10 (permalink) Old Apr 16th, 15, 04:17 PM Thread Starter
Aaron
 
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67 Camaro no power to anything

Hey guys, I have a strange problem with my car. I have no power to anything, the lights, the starter, nothing. I do have shaved doors and the door poppers still work but that's it. So here's what I've done, 2 weeks ago I did a compression test and it all worked. It had alright compression but I pulled the heads off and had them cleaned up. I've put everything back together set the rockers so I can start it, but when I went turned the key I had nothing. I checked the fuses everything's good, if anyone has any idea of what might cause this I really appreciate the help!
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post #2 of 10 (permalink) Old Apr 16th, 15, 04:38 PM
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Brian
 
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Re: 67 Camaro no power to anything

Did you disconnect a ground strap when you pulled your heads?

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post #3 of 10 (permalink) Old Apr 16th, 15, 04:45 PM Thread Starter
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Re: 67 Camaro no power to anything

There was one on the drivers side head but the whole time I've had the car it's only been hanging there on the head, my best guess is it would've went to the fire wall somewhere. But it's always worked without that one, the one at the bottom of the blocks still attached. I'll take a look at that one from the head to the firewall though it'd be strange if that is the problem considering how long it's been hanging
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post #4 of 10 (permalink) Old Apr 16th, 15, 04:58 PM Thread Starter
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Re: 67 Camaro no power to anything

As nice as it would've been that one didn't change anything
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post #5 of 10 (permalink) Old Apr 16th, 15, 05:32 PM
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Re: 67 Camaro no power to anything

Blast. That would have been nice and simple. I figured the door release may have been wired straight to the battery rather than the fuse block, hence it working when nothing else does. You might need to take a test lamp and start looking for where you have power. Assuming the battery is alright and the positive primary lead is connected to the starter, with the secondary lead connected to the radiator support junction block behind the battery (I've had that one come loose before which caused my '67 to become temporarily inoperable), and the negative is connected to the water pump (or alternate connection to the block), then you want to start tracking backwards. I'd probably make sure you have power at the horn relay (which is the main power distribution point for this car). If not, your problem is somewhere between the battery and that point (essentially, consisting of the secondary lead, the fusible link, the wire along the radiator support, and the horn relay, or just a bad ground somewhere). If you do have power there, check for power at the fuse panel. If you do have power at the horn relay and not at the fuse panel, suspects would include the fusible link, the lead to the firewall harness connector, a problem within the connector, etc. If you narrow down where the fault is, probably easier to identify the specific problem.

By the way, this assumes you have a relatively stock electrical system.

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post #6 of 10 (permalink) Old Apr 16th, 15, 05:52 PM
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Re: 67 Camaro no power to anything

I suspect the bulkhead connector. Maybe it got bumped and you disconnected from the engine side to the drivers side.


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post #7 of 10 (permalink) Old Apr 16th, 15, 11:32 PM
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Re: 67 Camaro no power to anything

Check the fusible link going to the horn relay, its a red wire with a thick splice. Make sure your door poppers or relays that run them have fuses they may be wired direct to the battery.

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post #8 of 10 (permalink) Old Apr 17th, 15, 04:12 PM
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Re: 67 Camaro no power to anything

May sound dumb, but, did you reconnect the negative battery cable to the engine? If it was connected to the upper alternator bracket, it may be faulty or not making a good connection.

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post #9 of 10 (permalink) Old Apr 17th, 15, 05:02 PM
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Re: 67 Camaro no power to anything

Check hot lead from battery to rad support junction block for corrosion and good contact. Very common problem with the old Camaros
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post #10 of 10 (permalink) Old Apr 20th, 15, 04:39 AM
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Re: 67 Camaro no power to anything

Adding to Tony's suggestion of checking the battery junction block, and others' suggestion of horn relay, check both places.
Disconnect the battery, clean clamps and posts, disassemble the junction block and horn relay buss bar, wire brush everything, and reassemble.
Horn relay buss bar is steel, s ferrous metal, and it rusts. Rust is a resistance.

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