Volt Gauge confusion
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Joined: Oct 2003
Posts: 17,799
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From: Ashland City, TN
Volt Gauge confusion
Anyone got any idea's on this?
Just started the other day.
Occasionally it stops, but video tells all.
is there a different voltage sending unit for the gauge as opposed to the PCM?
YouTube - ‪June 12, 2011 09:58‬‏
yes yes, please make fun of my ghetto gauge mount, but it works. :P
Just started the other day.
Occasionally it stops, but video tells all.
is there a different voltage sending unit for the gauge as opposed to the PCM?
YouTube - ‪June 12, 2011 09:58‬‏
yes yes, please make fun of my ghetto gauge mount, but it works. :P
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Joined: Sep 2003
Posts: 2,630
Likes: 217
From: North East Ohio
William,
Something is not right.
Does the CEL come on too?
I had 2 trucks that the main wire that goes from the alternator under the pass battery tray (or maybe degas bottle?) tot he fender solenoid rubbed through and was causing a pulsing CEL.
But you should not be seeing charging that high.
It almost looks like the PCM is trying to maintain 14.2 when voltage jumps up that high and that's why you're seeing the pulsing?
Have the alt checked at a parts store?
Something is not right.
Does the CEL come on too?
I had 2 trucks that the main wire that goes from the alternator under the pass battery tray (or maybe degas bottle?) tot he fender solenoid rubbed through and was causing a pulsing CEL.
But you should not be seeing charging that high.
It almost looks like the PCM is trying to maintain 14.2 when voltage jumps up that high and that's why you're seeing the pulsing?
Have the alt checked at a parts store?
__________________
'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
