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Thread: 2nd Gen Alternator Upgrade
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sparky
Redlining
Posts: 299
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posted August 19, 2007 09:03 PM |
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2nd Gen Alternator Upgrade
HELP. I installed a 2nd gen rx7 alt into the REPU today. Replaced the 1st gen rx7 alt i had. Anyway, was wondering if all terminals need to be connected. After hook up drove truck around the block and tach was wiggin out below 2K rpm. Voltage was 14 VDC. Old alt was around 13 VDC. Checked out the rx7 club forum and found some stuff.
http://www.rx7club.com/attachment.php?attachmentid=170065
http://www.rx7club.com/attachment.php?attachmentid=199213
Pretty sure new alt is series 4. It has the mitsubishi diamand symbol on shaft bearing cover at rear of alt. Has B, R, and L terminals. R and L terminals are T shaped just like the 1st gen alt. If anyone has installed one of these in a REPU please respond.
Thanks.
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repumax
Redlining
Posts: 427
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posted August 20, 2007 04:51 PM |
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Hey Sparky.....
.....Im pretty sure Bill has one on his repu. Give him a call. Hows the 20b coming along?
____________
1974 Mazda Repu
1986 Yamaha RZ 500
1988 Yamaha YSR 50
1991 Suzuki RGV 250
1992 Yamaha TZR 250 SP
1996 Aprilia RS 250
2003 Ford F-450 6.0 Diesel
2004 Mazda RX8
2006 Yamaha Banshee
2014 18' Eclipse Toy Hauler
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sparky
Redlining
Posts: 299
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posted August 20, 2007 09:20 PM |
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I figured it out....I had bad fusible link. Alternator seems to be working fine. Voltage is 13.5 VDC. I think I'll throw a fire extinguisher in the truck. Previous owner jacked all the wiring at the fuse block.
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BadAssRX-7
1st Gear
Posts: 49
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posted March 22, 2008 02:08 PM |
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i put a sr5 on my 74 with a gsl-se block it works great BUT i have a battery draining issue i know is Alt. related. any ideas? i wired it up like they say to on the repu forum.
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sparky
Redlining
Posts: 299
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posted March 22, 2008 03:00 PM |
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Check out links to RX7 club for alternator wiring. It sounds like you have a wire with continuous power connected to the alt. The only wire with power always skould be the big 10 guage connected to the output terminal og the alt. I think its the B term.
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mwpayne
Hauling
Posts: 195
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posted March 23, 2008 03:32 PM |
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Yep..
There's numerous threads on the 1st gen sections on this, I ran into this myself installing a 2nd gen alt on an Fb. Darned if I can remember what the fix is, but it was pretty simple.
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