 HELP! fuse 9 blowing, voltage reg? |
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| messix |
 Jun 27 2006, 03:40 PM
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#1
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AKA "CLUTCH KILLER"!  Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest  |
it's popping fuse 9, it does'nt do right away. volt meter will start at 12 and slowly creep down and blow the fuse. i've checked all circuts and it seems like the voltage reg might be intermitant. when the fuse is blown there is no charge to the batt.
any thoughts? |
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| Dr. Roger |
Jun 27 2006, 03:48 PM
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#2
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A bat out of hell. Group: Members Posts: 3,944 Joined: 31-January 05 From: Hercules, California Member No.: 3,533 Region Association: Northern California |
it's shorting....
get an ammeter and put inline with the fuse and watch it pull Amps when nothing on that circuit is being used. |
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| Rand |
Jun 27 2006, 03:50 PM
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#3
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
Nice avatar. (IMG:style_emoticons/default/laugh.gif)
Fuse 9 track to search for shorts... Fresh air fan (and possibly tail lights, tach, fuel gauge, oil temp gauge, voltage gauge, alternator idiot light, low fuel idiot light, oil pressure idiot light, clock). |
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| messix |
Jun 27 2006, 03:58 PM
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#4
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
done all the above. only thing that looks odd is that the voltmeter will start at 12v and stay there for 'bout 30-50 sec. then jump down to 10 then creep down till the fuse blows.
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| Dr. Roger |
Jun 27 2006, 04:55 PM
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#5
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A bat out of hell. Group: Members Posts: 3,944 Joined: 31-January 05 From: Hercules, California Member No.: 3,533 Region Association: Northern California |
you could start at the fuel sender and start disconnecting stuff till it doesn't blow.
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| JeffBowlsby |
Jun 27 2006, 05:24 PM
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#6
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914 Wiring Harnesses Group: Members Posts: 8,510 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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Here is the list of fused items on S9 for a 1974...
The AAR also causes fuses to pop if the power wire shorts... Attached image(s) 
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| messix |
Jun 27 2006, 06:10 PM
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#7
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
QUOTE(Jeff Bowlsby @ Jun 27 2006, 04:24 PM)  Here is the list of fused items on S9 for a 1974... The AAR also causes fuses to pop if the power wire shorts... you missed one! the culprit was the backup light switch,the sheath is cracked at the tranny and was full of water, pulled the boot off and wires [ stank of of electric smoke] all good now. now here's the rub, is hasn't rained in about a week and a half or better, and it was an intermitant problem. |
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