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  #1  
Old 03-06-2019, 11:45 PM
Greg
 
Join Date: Aug 2016
Location: Oregon
Posts: 17
OM 617 alternator connection ?

I'm putting '85 om617 into a '74 ford 100. The 617 came pretty much bare bones. I'm looking for an alternator plug if anyone knows where I can get one, or if not which terminals go to what on the alternator. Do you think I could get by using crimp on wire connects into the alternator if I can't find a plug?

Thanks
Greg

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  #2  
Old 03-07-2019, 01:23 AM
cfh cfh is offline
Charlie
 
Join Date: Sep 2007
Location: DFW, Texas
Posts: 206
Your best bet is to upgrade to the higher amp alternator (115 amp fits right in just do a search) and it does not use the original connector - just simple nut. Also it’s good to run a separate ground for the alternator since it grounds through the mountings and that can get oily etc.

Send me a pm I probably have a couple of those connectors for the original alternator around somewhere and will be happy to send you one if I can find it.
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  #3  
Old 03-07-2019, 01:44 AM
Registered User
 
Join Date: Nov 2013
Location: San Mateo, CA
Posts: 1,120
Agreed, the AL29X 115 amp alternator upgrade is worthwhile.

Here's the DIY thread for 'Desert Rose'.
DIY - AL129X alternator in a 1978 W116 300SD
Wiring info is on Post # 5.
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78 W116 300SD 'Desert Rose' new as of 01/26/2014
79 W116 300SD 'Stormcloud' RIP 04/11/2022
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  #4  
Old 03-07-2019, 12:30 PM
Greg
 
Join Date: Aug 2016
Location: Oregon
Posts: 17
Thank what about the power steering pump, would you upgrade or use the old one
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  #5  
Old 03-07-2019, 02:32 PM
vwnate1's Avatar
Diesel Dandy
 
Join Date: Nov 2005
Location: Sunny So. Cal. !
Posts: 7,718
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Greg ;

The two BIG connectors are for unfused direct to battery connections .

The single smaller connection goes to the dashboard light, if you ground it, the light should come on when the key is on .

Just go with what you've got for now, the larger amperage alternator will come cheaply in due time .

FWIW, the 1985 OM617 came with a heavier duty alternator than all other W123's, it'll be fine .

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