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Guzziguy

VW Enthusiast
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Posts: 2
Reply with quote  #1 
Hello all,
I recently inherited a 70 beetle that needs an alternator among other things. Im having trouble finding the alternator that goes with the engine though. All I know is that its not the original motor, I think this one is a 1300 ab. Can anyone steer me in the right direction?
Thanks.
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bob

VW Enthusiast
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Posts: 40
Reply with quote  #2 
Your 1300 ab used a generator but if you upgrade to the newer alternator AL82N, this alternator has the voltage regulator inside, you need a T clamp to hold it down, then you have to change out the stand that holds it, the AL82N is larger than the generator, I also had to replaced the fuel pump, the flange and the push rod, the pump is angled to make room for the larger alternator, you can buy the kit online, the wiring is easier too, you disconnect the voltage regulator under your back seat, run a 10 gauge wire from the alternator to the starter and hook up your idiot light wire that goes to the dash, it's a lot of work but it improves your car, I have been running the same setup in my 1974 Super Beetle for 13 years.

Bob
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Guzziguy

VW Enthusiast
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Reply with quote  #3 
Thanks for the info Bob. I was looking at some of these wires and a few are frayed and cracked. Im thinking that it might be a wire issue the alt might be ok. When I have time I'll test it.
Steve
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bob

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Posts: 40
Reply with quote  #4 
If you are sure you have the older alternator and not a generator, those wire that you are talking about got to the voltage regulator located under the back seat on the drivers side and the wires go to an obsolete plug on the left side of the firewall in the engine compartment, I cut the plug out and traced all the wires where they were connected and cut them out too, the plug was used for test equipment back in the day, once you simplify the wiring, go to electronic ignition and plug all the vacuum lines, most of your problems go away and if you are using a plastic fuel filter it is better if you relocate that under the fuel tank in the front of the car, that might save you from an engine fire.

Good luck
Bob 
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