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Red wire path

posted by lucid on Sun Apr 1 06:14 CST 2007
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last visit: Fri Oct 24 12:31 CST 2014

[RELATED]

On 320-2, see item "A" between the cluster (B) and terminal "61" (usually marked D+ on alt.)

That "A" is the gray, 8-pin connector on the firewall. I think it's in the right of center, but haven't seen a 240 in a while. The red wire is known to go bad on the engine side, usually under the crank pulley.
And the common fix is to cut it at that gray plug (leaving enough to splice onto) and run a replacement wire along the inner fender to the alternator D+/61 terminal.

I'm still not sure about:
Then when I ground that wire to the battery or any ground the 3 warning lites do not light and I'm positive the bulbs are all good.

You say 3 lights, but there should be 4 lit -- are you saying that 1 does light? If the BATT light works, but not the other 3 that are diode-connected, then maybe you DO have a cluster problem. Forgive me if you've explained this before, but I can't see the whole thread while responding
--
Bruce Young
'93 940-NA (current), 240s (one V8), 140s, 122s, since '63.

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Bad rebuilt alternator? - Have voltage at exciter terminal but no charge
posted by someone claiming to be Robb McC on Sat Mar 31 02:49 CST 2007 >

Bad rebuilt alternator? - Have voltage at exciter terminal but no charge
posted by B.C. subscriber on Sat Mar 31 05:44 CST 2007 > V

Bad rebuilt alternator? - Have voltage at exciter terminal but no charge
posted by john sargent subscriber on Sat Mar 31 06:11 CST 2007 > V
- Bad rebuilt alternator? - Have voltage at exciter terminal but no charge
  posted by someone claiming to be Robb McC on Sun Apr 1 02:37 CST 2007 > V
  - Still some unknowns here
    posted by someone claiming to be jumpy on Sun Apr 1 03:37 CST 2007 > V
    - Still some unknowns here
      posted by someone claiming to be Robb McC on Sun Apr 1 04:35 CST 2007 > V
      - Jumpy Lucid here
        posted by lucid subscriber on Sun Apr 1 04:59 CST 2007 > V
        
        Jumpy Lucid here
        posted by someone claiming to be Robb McC on Sun Apr 1 05:13 CST 2007 > V
        
        Red wire path
        posted by lucid subscriber on Sun Apr 1 06:14 CST 2007 > V
        
        Red wire path
        posted by someone claiming to be Robb McC on Sun Apr 1 09:23 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by lucid subscriber on Sun Apr 1 10:51 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by robbmcc on Mon Apr 2 23:52 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by lucid subscriber on Tue Apr 3 01:44 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by robbmcc on Tue Apr 3 05:12 CST 2007 > V
        
        Pause and reflect time [200][1993]
        posted by lucid subscriber on Tue Apr 3 06:12 CST 2007 > V
        
        Pause and reflect time [200][1993]
        posted by robbmcc on Tue Apr 3 06:26 CST 2007 > V
        
        Pause and reflect time [200][1993]
        posted by Art Benstein subscriber on Tue Apr 3 08:23 CST 2007 > V
        
        Blue-Black wire? (edited) [200][1993]
        posted by lucid subscriber on Tue Apr 3 10:01 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by lucid subscriber on Tue Apr 3 01:46 CST 2007 > V
        
        Red wire path and possible 12V short circuit [200][1993]
        posted by kyle240 on Tue Apr 3 03:25 CST 2007 > V
        
        Excellent point! (Robb take heed) --- (NMI) [200][1993]
        posted by lucid subscriber on Tue Apr 3 04:34 CST 2007 > V

Bad rebuilt alternator? - Have voltage at exciter terminal but no charge - update
posted by someone claiming to be Robb McC on Sun Apr 1 03:39 CST 2007 > V

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Red wire path