69 Camaro console gauges w/ Alternator conversion kit - Team Camaro Tech
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post #1 of 5 (permalink) Old Dec 22nd, 10, 08:38 PM Thread Starter
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69 Camaro console gauges w/ Alternator conversion kit

NPD sells a kit which allows you to use a modern alternator with an internal regulator. The kit includes a simple plug conversion (approx 5 inches long) at the alternator as well as a rubber plug with 4 prongs which goes where the original external regulator went. My question is, when using this kit what will the console gauge for the generator/alternator do? will it work, do nothing, or should I not even try this?

-Inet


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post #2 of 5 (permalink) Old Dec 23rd, 10, 01:11 AM
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Re: 69 Camaro console gauges w/ Alternator conversion kit

It is a good upgrade but I would wire it up yourself directly and not use conversion harnesses. It will look and perform better IMO. You can remove (and save) the regulator. If you are using a higher output alternator you might want to consider upgrading the alternator output wire. Check out MADelectrical.com in the tech section for some good info. Your ammeter will work fine with the new alternator if it works now. It should be hooked up between the horn relay and stud by the battery.

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post #3 of 5 (permalink) Old Dec 23rd, 10, 05:31 AM
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Re: 69 Camaro console gauges w/ Alternator conversion kit

I did the same conversion about four years ago.I have factory gauges in my car as well.It was one of the best upgrades I could have done.I have not had any issue's with the conversion at all.
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post #4 of 5 (permalink) Old Dec 23rd, 10, 07:05 AM Thread Starter
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Re: 69 Camaro console gauges w/ Alternator conversion kit

yes agreed... Pulled the contacts out of the old wire and put them in the new plug to tidy it up.


Out of curiosity, what will the meter read with a high output alternator installed? Is it relevant with an alternator instead of a generator?

-Inet


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post #5 of 5 (permalink) Old Dec 23rd, 10, 08:21 AM
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Re: 69 Camaro console gauges w/ Alternator conversion kit

There should not be any difference. The console ampmeter is simply a millivolt meter connected in paralell with the wire between the battery junction block and the horn relay distribution point. When the voltage on the relay is a few millivolts higher than the battery, the ampmeter reads 'C', and if the battery is a few millivolts higher than the relay, the ampmemter reads 'D'.

Beyond that, your new alternator can likely put out 2 to 5 times the current of the old one. It would be a good idea to upgrade the wire between the horn relay and the battery terminal block to an 8ga. That will make for a better current path to and from the battery and will reduce the deflection of the ampmeter needle a bit to compensate for the additional charge capacity of the alternator.

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