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Old 06-28-2010, 08:35 AM
Crackstar's Avatar
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Join Date: Oct 2006
Location: Hampton VA
Posts: 38
83 W123 300TDT charging systems troubles

My 1983 300TDT Wagon has been giving me a fit lately. A while back the battery light came on on the dash, my Ford mechanic friend immeadiatly told me it was the alternator. I thought it couldn't be, but i guess the 3 year old battery had been on its last legs for a while. Took them out and had them tested, both battery and alternator were bad.

Replaced them both, now my warning lights on the dash board are off but the battery still doesn't seem to be taking a charge.

Things I have done,
1. Cleaned the ground connection from the battery to the chassis
2. cleaned all the connectors in that box on the fender where some of the alt wires connect
3. cleaned the spades on the alt and inside the connector

Things I think I need to do:
1 Clean the ground strap from the engine to the chassis
2 Check the light bulb in the dash

Anything else I should check? I know someone here has been down this road before

thanks

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Old 06-28-2010, 11:09 PM
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Join Date: Nov 2004
Location: Nova Scotia, Canada.
Posts: 6,510
Make sure your glow plugs are not on constantly. Best tp read voltage at plugs or harness. This heavy draw could mask things.
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Old 06-28-2010, 11:37 PM
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Join Date: May 2004
Location: Sunnyvale, Texas (DFW)
Posts: 9,675
Quote:
Originally Posted by Crackstar View Post
83 W123 300TDT charging systems troubles

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'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John
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