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Topic: Ram Overcharging !!!! (Read 295 times)
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chryco
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Help ! I took my 85' W250 360 / auto 4x4 out to get my trailer tonight and noticed my charge guage was way over on the charge side. When I got there , I noticed the battery was overheated . I checked the voltage across the battery and it was as high as 17 volts ! I pulled the field wire and headed home (without the trailer )and tried another couple of regulators , no change . I also found the center wire connector on the voltage reg connector was screwed , replaced it too , no difference . Guess it`s my 105 Amp alternator ? Anybody have this happen ? Chryco  |
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cu440da
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Do the 85's still use the ammeter? I had an ammeter go bad on me that acted like what you described.
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'67 Notchback- 12.85 @ 109mph
440, M1, modified 750 Holley, .509 cam, template ported 906's, ProParts, 3" x-piped mandrel bent exhaust, Spintech's, 4.10 Sure Grip, 3200 stall, CalTracs and mono's, RR hood bulge fresh air system
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chryco
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Do the 85's still use the ammeter? I had an ammeter go bad on me that acted like what you described.
It does have an ammeter . But how would that boil the battery and cause the high output voltage? |
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doug 371
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check to see if 1 of the field wires is somehow grounding on the alt case
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chryco
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check to see if 1 of the field wires is somehow grounding on the alt case
OK , I had to pull the larger guage field wire off to get home without blowing the battery. I`ll check THX Chryco |
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oldkimmer
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Do the 85's still use the ammeter? I had an ammeter go bad on me that acted like what you described.
...........................  ............kim........ |
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MR. Mechanic...........Panther Pink Duster The Beast has been Unleashed!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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MoPar_or _NoCar
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17 is alot, maybe the battery was toast and the internal plates were warped and touched?
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cu440da
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It does have an ammeter . But how would that boil the battery and cause the high output voltage?
Couldn't really tell you why, but it goes into a massive overcharge state. I had replaced every bit of the charging system trying to fix it, to no avail. Finally ran into an older mechanic that had heard of it. I never would have figured that a gauge would contribute to a problem like that. |
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'67 Notchback- 12.85 @ 109mph
440, M1, modified 750 Holley, .509 cam, template ported 906's, ProParts, 3" x-piped mandrel bent exhaust, Spintech's, 4.10 Sure Grip, 3200 stall, CalTracs and mono's, RR hood bulge fresh air system
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chryco
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Do the 85's still use the ammeter? I had an ammeter go bad on me that acted like what you described.
........................... ............kim........ OK ! I`m going to dig into that one tomorrow . I`ve got the mod sheet from MAD . I`ll keep ya possted . Sure hope that does it. THX Chryco |
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chryco
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17 is alot, maybe the battery was toast and the internal plates were warped and touched?
It`s a fairly new Optima deep cycle battery I swiped out of the racecar . Hope it`s not pooched ! Chryco |
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sunsetdart
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sounds like the voltage regulator went.....had the same thing happen to me............hot battery and hi amp reading........changed regulator, fixed problem.
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chryco
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sounds like the voltage regulator went.....had the same thing happen to me............hot battery and hi amp reading........changed regulator, fixed problem.
Got a new reg today , not that ! |
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chryco
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Bought a new alternator today , BINGO ! All`s well . Never had one go super nova like that before . Chryco |
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75Dart440
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Yep....sounds like one of the field terminals went to ground in the alternator.
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1975 Dodge Dart Sport - 440
2000 Dodge Ram 1500 QC 4x4
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