dragon51
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« on: November 08, 2011, 02:06:28 PM » |
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My alternator in my 95 YJ has died. I have looked at list of options for a new higher output alternator , but I am unclear as to what ones will swap right over. And if not what do I need to do to make them work. I am very interested in the 160 amp ones. As everyone knows a winch really taxes a charging system.
BTW its a 4cy manual with no A/C, once I am done getting the alternator back in I have a OBA york that will go back in the A/C spot.
I would greatly appreciate the help.
DJ
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sharpxmen
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« Reply #1 on: November 08, 2011, 02:18:43 PM » |
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i got a 136Amp Grand Cherokee in mine, $30 or something like that at the junkyard, direct swap just a minimal reconfiguration on the output prong but nothing major (the shield needs to be rotated that's all) - comes with the 8 groove pulley but can be used as is or replaced with the 6 groove one, i didn't bother swapping it. There's a good writeup in the FAQ with part numbers and all for various options, there is a 150 amp or so OEM listed in there that works on YJ, can't remember which vehicle comes out of but didn't find one at the time so i went with the GC one instead.
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dragon51
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« Reply #2 on: November 08, 2011, 05:00:50 PM » |
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Thanks I will Check that out.
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grumpygy
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« Reply #3 on: November 08, 2011, 05:47:38 PM » |
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Got mine from E-bayreferbished and it looks great and works fine.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer, 31/10.50/15's
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jfrabat
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« Reply #5 on: November 09, 2011, 12:43:35 PM » |
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I bought a Load Boss from Flea Bay about 5 years ago rated at 164A (more or less; dont rememebr the exact rating, but it was more or less around there) that has held on quite nicely to all the abuse I have thrown its way (getting buried in mud, winching, etc.). Was not that expensive either. Just remember to upgrade the wires if you go to a larger alternator; its quite likely that the stock wiring will not hold up to abuse if you are winching or similar...
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'94 YJ 2.5L with 4" RE lift, Adv. Ad. SYE, Woody Shaft, Superwinch EPi9.0, 62mm TB, FoMoCo e-Fan, SD30 and SD35 w/ARB-4.88, 165A alt., 4 KC aux lights, Aluminum Rad, BRX hoses, 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Bosch 19# Injector, Safari Snorkel, Hydroboost
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dragon51
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« Reply #6 on: November 09, 2011, 12:55:11 PM » |
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jfrabat I figured I would have to upgrade the wires to at least 4ga. Thanks I will have to look into that one as well.
That list of alternators does not tell me if they will work in my YJ other then the stock well duh. I sure hope it will work. My original question was and still is will any of those Higher Output Alternators work in my YJ as direct swap? I figured this is the one place I would be able to get a good answer since we all have 4 angry squires under the hood.
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sharpxmen
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« Reply #7 on: November 09, 2011, 01:01:25 PM » |
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jfrabat I figured I would have to upgrade the wires to at least 4ga. Thanks I will have to look into that one as well.
you have to bypass the PDC, there are 2 x 50Amp fuses in there that will limit your current to 100Amp |
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dragon51
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« Reply #8 on: November 09, 2011, 01:04:35 PM » |
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Can I just use a lager fuse set? Or would it be better to run the power straight to the batter with a larger in line fuse?
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jfrabat
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« Reply #9 on: November 09, 2011, 01:06:12 PM » |
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you have to bypass the PDC, there are 2 x 50Amp fuses in there that will limit your current to 100Amp
If possible, you want to run welding cables... They have more strands, and as a result, not only are they more flexible, but have less resistance and more electricity will get to the battery instead of getting wasted as heat. Also, run as thick a cable as you can; it's better to have more capacity than you need! In my case, I used 2 gauge, IIRC (or was it 0?), but left the stock wiring in place as well. |
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'94 YJ 2.5L with 4" RE lift, Adv. Ad. SYE, Woody Shaft, Superwinch EPi9.0, 62mm TB, FoMoCo e-Fan, SD30 and SD35 w/ARB-4.88, 165A alt., 4 KC aux lights, Aluminum Rad, BRX hoses, 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Bosch 19# Injector, Safari Snorkel, Hydroboost
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dragon51
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« Reply #10 on: November 09, 2011, 01:14:56 PM » |
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jfrabat are you also jbolty on Jeep forums? I am also looking on their and your Jeep looks scary identical to the avatar on that forum.
I am going to take on this project in the future, I just need to get my Pig running for now my wife wants here car back. Lol So I am just going to put a 90 back in. I just want to get as much info as I can now, and a firm understanding of this and what alternators will work for me .
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dragon51
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« Reply #11 on: November 09, 2011, 01:25:45 PM » |
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Now in the PDC could I just bump up the value of the fuse size with a pair of 60 or 70 amp maxi fuses, along with bumping up my wire size. I like the idea of using welding wire I was thinking about that.
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jfrabat
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« Reply #12 on: November 09, 2011, 02:23:11 PM » |
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jfrabat are you also jbolty on Jeep forums? I am also looking on their and your Jeep looks scary identical to the avatar on that forum.
No, I am jfrabat there as well... Same for Jeepz... Now in the PDC could I just bump up the value of the fuse size with a pair of 60 or 70 amp maxi fuses, along with bumping up my wire size. I like the idea of using welding wire I was thinking about that.
I just left the stock wiring in place, and ran a new wire directly to the battery... |
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'94 YJ 2.5L with 4" RE lift, Adv. Ad. SYE, Woody Shaft, Superwinch EPi9.0, 62mm TB, FoMoCo e-Fan, SD30 and SD35 w/ARB-4.88, 165A alt., 4 KC aux lights, Aluminum Rad, BRX hoses, 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Bosch 19# Injector, Safari Snorkel, Hydroboost
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Bounty Hunter
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« Reply #13 on: November 09, 2011, 10:09:46 PM » |
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The 136a alternator from fullsize Dodge trucks and vans is a direct bolt-in once you swap the pulley and plastic boot from your old alternator to the 136a unit.
I run a 160a unit in my '95 YJ, and ran an extra cable from the alternator output to the pos side of the battery.
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dragon51
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« Reply #14 on: November 10, 2011, 08:26:47 PM » |
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So just run a extra pos wire what about on the neg side? On that 160 amp. Did you have to make any mods to make it fit?
Sorry for all the questions I always ask a lot on new things that I don't know about.
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