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Re: Need engine bay wiring picture of 1991 W250 360
[Re: Adam71Charger]
#2274196
03/22/17 12:48 PM
03/22/17 12:48 PM
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Joined: Aug 2005
Posts: 139 Pennsylvania
polaris400cc
member
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member
Joined: Aug 2005
Posts: 139
Pennsylvania
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Those alternator's have the voltage regulator built into them, and you have some crazy hack job that you inherited.
Edit... I may be incorrect about ALL of them having the internal regulator, but on a side note the external regulator is not going to work without the case being grounded.
Last edited by polaris400cc; 03/22/17 02:08 PM.
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Re: Need engine bay wiring picture of 1991 W250 360
[Re: polaris400cc]
#2274232
03/22/17 02:16 PM
03/22/17 02:16 PM
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Joined: Nov 2003
Posts: 10,228 Colleyville
3hundred
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 10,228
Colleyville
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IIRC, the PCM handled regulator duties in those years. 2¢
Robert
'68 Fury Convertible '69 300 Convertible '15 Durango 5.7 Hemi '16 300 S Hemi
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Re: Need engine bay wiring picture of 1991 W250 360
[Re: jerseybud]
#2274332
03/22/17 04:53 PM
03/22/17 04:53 PM
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Joined: Jun 2013
Posts: 1,521 Tacoma, Washington USA
Adam71Charger
OP
pro stock
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OP
pro stock
Joined: Jun 2013
Posts: 1,521
Tacoma, Washington USA
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Charging is controlled by the computer from 88-up 5.2 and 89-up 5.9 trucks. Usually throws a code 41. The external regulator is a common fix, but its supposed to be on the firewall and grounded case to the firewall, not just dangling on the valve cover.
What is code 41? What happened that made the previous owner splice in a voltage regulator?
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Re: Need engine bay wiring picture of 1991 W250 360
[Re: Adam71Charger]
#2274622
03/23/17 01:39 AM
03/23/17 01:39 AM
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Joined: Aug 2003
Posts: 954 garnett kansas
rhad
super stock
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super stock
Joined: Aug 2003
Posts: 954
garnett kansas
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years ago i bought a 90 w150 that had a external regulator wired into it,turns out the regulator part of the ecm was bad
my ladder of success is missing some rungs
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Re: Need engine bay wiring picture of 1991 W250 360
[Re: Adam71Charger]
#2275101
03/23/17 11:59 PM
03/23/17 11:59 PM
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Joined: Nov 2003
Posts: 10,228 Colleyville
3hundred
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 10,228
Colleyville
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Those rebuilt PCM's are really dicey. I think I'd mount the regulator and rewire it neatly. 2¢
Robert
'68 Fury Convertible '69 300 Convertible '15 Durango 5.7 Hemi '16 300 S Hemi
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Re: Need engine bay wiring picture of 1991 W250 360
[Re: 3hundred]
#2275139
03/24/17 01:05 AM
03/24/17 01:05 AM
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Joined: Jan 2008
Posts: 3,886 Lost and Spaced
bboogieart
master
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master
Joined: Jan 2008
Posts: 3,886
Lost and Spaced
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Do you have to pass an inspection where your at? Unfortunately not an option for most, but I yank the whole mess and re-do it as if it was a '72. Parts are all available here, over the counter.
I have mechanical Aptitude. I can screw up anything.
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