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#1
10-31-2012, 06:05 AM
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Battery draining on both WVO conversions
I have an 83 300SD and an 80 300TD. Both are identical setups with a heater unit (glow plug) from mercedes source and injector line heater wraps by fatty wagons. Ever since hooking in the injector line wraps my cars at idle seem to lose power. If the lights are on at night and the heat or wipers and I get to a destination and shut off the car and then try to start it, its almost completely dead. This is on a NEW battery also. Anyone have issues with this and would a stronger alternator (if even made) help. I'm in NJ so I NEED the extra heat to make the system work in the winter. Thanks for any ideas.
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2022 Nissan Frontier Pro4x 1990 Mercedes 420SEL 1950 Packard 8 Previous German cars- 2001 Mercedes SL500 1983 Mercedes 300SD 2011 BMW 328i (manual) 2008 BMW 535xi (manual) 2006 BMW M3 (manual) 1980 Mercedes 300TD 2006 BMW 750i 1996 Mercedes E300D 1994 BMW 740i 2006 BMW 330xi (manual) 1999 E300DT Smoke silver/black 253k 2012 BMW 535i Xdrive M-Sport 1984 300TD-T 304k 1988 Mercedes 560SEL (parts car) 2010 BMW 550i xdrive 2017 Audi A4 Presitge 1979 300SD 313k 2003 E500 189k 
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#2
10-31-2012, 09:24 AM
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I used stock alternator,but made sure my regulator was new.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#3
10-31-2012, 08:52 PM
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weak alternator
They are barely able to keep up with all of the electrics in stock condition. Now you have not one but two high power add ons. That is why Fattywagon sells the alternator upgrade. It has to be the most common upgrade to an old mercedes.
I met a guy at the junkyard that modified the mount and installed Cadillac alternators usually from the junkyard. That sounds really difficult to me, but a great idea.
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#4
10-31-2012, 10:48 PM
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Just a suggestion, but many people add heat by using the available heat from the coolant system. A flat plate heat exchanger is a pretty simple way to get your oil up to 165-180 without straining the electric system.
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I could not own any MB without the help from you...fellow forum members. 83 300td 207,XXX
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#5
11-01-2012, 03:11 AM
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Quote:
I need to up the amps on all my cars because of add ons. Not just for the engine. So i'll definitely look into it.
__________________
2022 Nissan Frontier Pro4x 1990 Mercedes 420SEL 1950 Packard 8 Previous German cars- 2001 Mercedes SL500 1983 Mercedes 300SD 2011 BMW 328i (manual) 2008 BMW 535xi (manual) 2006 BMW M3 (manual) 1980 Mercedes 300TD 2006 BMW 750i 1996 Mercedes E300D 1994 BMW 740i 2006 BMW 330xi (manual) 1999 E300DT Smoke silver/black 253k 2012 BMW 535i Xdrive M-Sport 1984 300TD-T 304k 1988 Mercedes 560SEL (parts car) 2010 BMW 550i xdrive 2017 Audi A4 Presitge 1979 300SD 313k 2003 E500 189k
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