Odd fuse question!?
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Elder User
Joined: Aug 2002
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From: CA
Odd fuse question!?
I tried this question before and got no response, so I hope you all will help this time. In my '73 F-100 there is a fuse that controls current to the dash panel lights, the ashtray light, and other general lighting around the dash. The fuse is missing, so I read voltage on both side of the fuses connector. No voltage!! And it doesn't appear that anyone has bypassed the fuse.
Here's the odd part: All the lights that fuse controlled work fine!!! Beats me! Any ideas?? Polkat
Here's the odd part: All the lights that fuse controlled work fine!!! Beats me! Any ideas?? Polkat
New User
Joined: Jan 2008
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Odd fuse question!?
Courtesy lights use a blue/red stripe wire to power them.
Maybe someone has by-passed the normal fuse position to another circuit?
Maybe the fuse box is shorting out?
Dennis
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Maybe someone has by-passed the normal fuse position to another circuit?
Maybe the fuse box is shorting out?
Dennis
F.T.E. Assistant Administrator
[font color=red]
"May The Spirit Of Christmas Be An Inspiration To You Throughout The Year"[/font]
[link:www.ford-trucks.com/guidelines.html|Club FTE]
[link: motorhaven.autoanything.com|How YOU Can Support This Site]
[link:www.clubfte.com/users/mil1ion/Mil1ion.html|My Website,"North Of The 49th"]
Thread Starter
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Elder User
Joined: Aug 2002
Posts: 662
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From: CA
Odd fuse question!?
Yes the lights were on. And the wire color mentioned does run to this fuse. Seems to me if the fuse were shorting out, the lights wouldn't work! It is a mystery. Not a problem I guess,but if you're like me, and you think maybe something has been changed in your truck, you wanna know about it. Thanks, Polkat
Laughing Gas
Joined: Jul 1999
Posts: 1,048
Likes: 22
From: Lacey, WA
Odd fuse question!?
PolKat
Your lights work normaly, without a fuse, and you read 0 volts across the fuse holder.
Only thing I can make of this is that someone has performed some kind of a Mod to your wiring. The reason you get 0 volts across the fuse holder is bacause there is 12 volts on BOTH sides. Voltmeter's read the difference in volt levels of two points.
Try this. Take the black lead of the meter and put it on a good ground source. Touch the red lead to each side and you will see 12 volts each.
I have never heard of a fuse box shorting out. Not saying it couldnt happen, just very unlikely.
Somewhere, somehow, the light circuit is getting powered ther than this fuse line.
Good luck,
Lee
Your lights work normaly, without a fuse, and you read 0 volts across the fuse holder.
Only thing I can make of this is that someone has performed some kind of a Mod to your wiring. The reason you get 0 volts across the fuse holder is bacause there is 12 volts on BOTH sides. Voltmeter's read the difference in volt levels of two points.
Try this. Take the black lead of the meter and put it on a good ground source. Touch the red lead to each side and you will see 12 volts each.
I have never heard of a fuse box shorting out. Not saying it couldnt happen, just very unlikely.
Somewhere, somehow, the light circuit is getting powered ther than this fuse line.
Good luck,
Lee
Elder User
Joined: Jun 2002
Posts: 851
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From: Elizabeth City, NC
Odd fuse question!?
[updated:LAST EDITED ON 28-Nov-02 AT 08:36 PM (EST)]Try jumpering the fuse holder. Just to test it.
Russell
1968 F250 LWB 300-6
FORD=First on Race Day
#88 Dale Jarrett
#21 Elliott Sadler
#97 Kurt Busch
#28 Ricky Rudd
Russell
1968 F250 LWB 300-6
FORD=First on Race Day
#88 Dale Jarrett
#21 Elliott Sadler
#97 Kurt Busch
#28 Ricky Rudd
