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Andy Cawte (Andyc)
Posted on Sunday, February 02, 2003 - 12:05 am:   Edit Post Delete Post Print Post

Hey Guys:
I've decided to dump the standard alternator on my 94 RRC and replace it with a Ford or GM product. Only problem is how do you setup the tach wire terminal if the new alternator does not come with it as standard?

Cheers,
Andy C
 

bc
Unregistered guest
Posted on Monday, February 10, 2003 - 03:46 pm:   Edit Post Delete Post Print Post

I used a Delco 94 Amp alternator from an 1986 CHEVROLET TRUCK C30 1 TON P/U 2WD 8 Cylinders 454 W 7.4L 4BL. It was $59 with a lifetime warranty from AutoZone. The key is the wiring diagram here: http://members.rennlist.com/bcookt06394/roveralternator.jpg
I can't remember where I got this picture, so I'm sorry to whomever I got this from!
There is some fabrication required for the mounting. I had to cut to fit a Mr. Gaskets universal alternator J bracket, move the lower bracket support to the outside of the bracket, and a few other things. But, it works, is cheap with a lifetime warranty, and I can buy this alternator in any bass-ackwards place in the country. No special orders from Lucas!
 

Andy Cawte (Andyc)
New Member
Username: Andyc

Post Number: 7
Registered: 01-2003
Posted on Thursday, February 13, 2003 - 10:47 pm:   Edit Post Delete Post Print Post

Hi BC:
Thanks for the info. I looked at the diagram...it seems simple enough, but what's the function of the fused wire between the #2 and BAT terminals? Any idea if there is a more powerful GM alternator available with an "R" terminal, my OEM one is rated at 100 amp and I wanted to go up if possible.
Regards,
Andy C
94RRC
 

bc
Unregistered guest
Posted on Thursday, February 13, 2003 - 11:12 pm:   Edit Post Delete Post Print Post

I don't know what the fused link does, but the alternator will not generate voltage unless it's in place. I spent many hours searching the web for the correct wiring diagram.
As for the amperage, I stayed with 94 since my 90RRC originally had an 80Amp alternator and I was concerned about going above 100. You might dig around some autoparts sites and see if one is available. You can then take a short list to the auto parts guy and compare them to the Lucas one. It's a time consuming process, though, because you can usually only search by car make and model. I don't know if there would be much benefit to going over 100Amp. Even Tahoes use 105 Amps and people power TVs, VCRs, lights, and all sorts of crap with them. But, that's my opinion!
 

bc
Unregistered guest
Posted on Thursday, February 13, 2003 - 11:15 pm:   Edit Post Delete Post Print Post

Also, you can do a Google search for things like Lucas Alternator Conversion, Delco Alternator Conversion, etc. Lots of cars used Lucas electrics and there are lots of differing opinions on what works best.

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