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#1
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SD charging question
A good friend called with a "85"SD question. The GPs stay on for +- 2.5 minutes after the car starts and the alternator wont keep up with the draw resulting in a dead battery. his wife is running around doing errands in town and the battery will soon be dead with all the stopping and starting. The GPs shouldn't stay on for that long after the car starts, right?? Bad GP relay?
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#2
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That definitely sound like a bad relay. Try to find a good used one just in case the problem is elsewhere.
I was having issues with my relay coming on and immediately clicking off. Instead of spending beaucoup $$$$ on the older style relay (which may not have been the problem), I said screw it and installed a Ford solenoid. It works great on my W123. My W126 still has a factory relay. |
#3
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^^X2
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Current Stable
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Thanks guys. I have a used "85" 300TD (W123) GP relay, probably not usable for a test? It would be nice if we could verify the bad relay before he spends the bucks for a new one.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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Unplug the relay. Probably don't need it that bad in NW Washington (if that means the state, not the district).
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#6
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I would think that it would be compatible. I believe all the 82-85 cars used the same style relay. IIRC 001 545 98 32
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
#7
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Thanks for the replies, It looks the same and when we swapped it in, it seemed to operate correctly, so I told him to order a new one from Peach Parts and gimmy my spare back
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#8
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Quote:
A solution is go manual. I have ones that are plug and play where the glow plugs are never on unless you push the button. Perfect for lot's of shot trips. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/359811-sale-manual-mercedes-glow-plug-controller-w123-300d-240d.html
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#9
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Quote:
I've had the manual push button, through a starter solenoid, system in my 79 240D for years, I love it, trouble fee, one less thing to go wrong. This SD is pretty nice and he wants to keep it OEM.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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