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#1
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65amp to a 80amp alternator
Yes its another alternator thread. I have searched but can't find the info I was looking for. 65amp alternator just ain't cutting it, by the time you turn the lights on, AC on, radio on, I have less than 13 volts at the battery. Is it possable to put a 80amp alt from a early W124 without having to re-wire anything? Im just looking for a plug and play type thing. I know I could put in a 115amp but that requires to mess with the wiring, and i'd rather keep it stock. Thanks in advance
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
#2
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From a W124, no. From a Saab, yes.
AL129x Bosch Reman Alts available for $100!! Fits 126 as a drop-in! What mess of wiring? Its a single wire from the alternator to the starter pole. |
#3
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Why wouldn't a W124 alt work if I swaped the pulleys? Are the connections different form the original W123 plug?
I'd like to go with a Saab alt but I'd have to change all the little spade connectors to a post type connector. I'd rather keep it stock.
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
#4
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Early 124 is 65amp.
13v out of the alt with a load at idle, pretty decent really.
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Gone to the dark side - Jeff |
#5
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well there are W124 80amps alts im pretty sure, the 260E had one I think. Anyone know what the plug on the back looks like?
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
#6
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Quote:
I see. |
#7
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no, of course not. Didn't know that could happen. Would a 80 amp alt really melt my original connector, are my stock wires to small?
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
#8
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Yes they are. Increase in amperage or voltage requires larger guage wires.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#9
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Does a W124 80amp alt have the spade connectors like the W123 alt? Yes I know I'll have to upgrade the wires to a bigger diameter.
__________________
1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
#10
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I do not think so. The 80 and higher have the posttype connectors from what I have seen.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#11
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the alternator from the 603 will not bolt up to the block on a 617... you need to get the 80A alt either from a saab, or from a similar year 280 E / SL / SE...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#12
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Am I missing something, is your battery going dead? Your alternator might not produce all the power you need at low speed. Theres a balance to be struck in the design so the alt doesn't eat itself at low speed but still works reasonably at high speed.
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#13
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I am doing the 80 amp (saab) upgrade as soon as my new adjustment bolt comes in.....will I be ok just swapping the alternator->to->terminal block wire with a piece of 4 gauge and pole connectors? Or does other wiring need to be replaced? It looks like the rest of it is much heavier and up to the task....
Its just that one piece right? Thats an easy swap... The 65A alt is ridiculous, last night with my headlights, defroster, wipers and radio, I was getting about 12.4 volts according to my gauge......it is so time to upgrade...my afterglow system for the glowplugs drops the system voltage to 10V for the first 3 mins of driving, especially if I have the lights and stuff on. That can't be good for the battery....
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#14
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the battery did go dead once when I was in traffic with the AC on high, headlights and fogs on, and the radio going. Also I notice that when I have the AC on high the blower blows harder when I touch the gas pedal.
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg |
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