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Topic: Stupid Fuse blew again!

in Forum: C3 Electrical


Stupid Fuse blew again!

Posted: 7/29/03 8:40am Message 1 of 6
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Eagleville, PA - USA
Joined: 11/1/2001
Posts: 18415
Vette(s): Used to own a 1979 Corvette now owned by JB79
Okay, now I'm getting angry! |cussing|

I went to put down my passenger window this morning and the fuse for the horn/radio/interior lights blew again!

Someone please tell me why this keeps happening!!

The only other info I can offer, is that the window was all the way up, and thus was very snug, so when I went to put it down, it struggled to start going down. I'm guessing I'm putting too much load on the electrical system, but it's not the window fuse that blows! This makes no sense to me!

HELP!


-Adam Wartell
NCM Lifetime Member #1222
Founder: C3 Vette Registry 
C4 Vette Registry, C6 Vette Registry

My first Vette, now owned by JB79:

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Stupid Fuse blew again!

Posted: 7/29/03 9:46am Message 2 of 6
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Elm Mott, TX - USA
Joined: 10/18/2002
Posts: 9
Vette(s): 1974 coupe
speaking as an electrician, but not an automotive electrician, it sounds like your radio etc. fuse is just barely carrying the load, and when you open the window the voltage drops because of the load and the reduced voltage increases the amperage and blows the fuse. Was the engine running at the time?

When I open the windows on my 74 with the engine not running, it really bogs down everything. You might try taking some of the load off that fue, like putting the radio on a separate fuse.


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Stupid Fuse blew again!

Posted: 7/29/03 9:50am Message 3 of 6
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Eagleville, PA - USA
Joined: 11/1/2001
Posts: 18415
Vette(s): Used to own a 1979 Corvette now owned by JB79
Yeah, the engine was running... and I was probably moving 30mph down the road at the time.

I like the idea of putting the radio on a separate fuse, but I wouldn't even know how to begin to do that.


-Adam Wartell
NCM Lifetime Member #1222
Founder: C3 Vette Registry 
C4 Vette Registry, C6 Vette Registry

My first Vette, now owned by JB79:

Stupid Fuse blew again!

Posted: 7/30/03 7:28am Message 4 of 6
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DOWNINGTOWN, PA - USA
Joined: 11/24/2001
Posts: 962
Vette(s): 1969 Monza Red Black Conv / Black Vinal hardtop 454/480 Tremec 5 Speed 308 Posi.Black Leather Interior, PS, PW, Air cond., tilt/tele,AM/FM Cass.-5 Pack CD, Hurst Shifter, side pipes 2004 Yellow convertible with black top and black interior
You are running an after market radio aren't you? Plus the satellite set up? I bet you are just borderline for the current the stock fuse will carry. Don't even think of puting in a larger fuse |no-no| old wires |devil| may not handle the extra current. Look for an open spot in the fuse panel and wire the radio to it using the fuse supplied with the radio ( there is a supplied fuse isn't there ? ).
You may just want to go to a sterio installer and have them do it. Shouldn't cost more than a hours time.
See ya next week.


Stupid Fuse blew again!

Posted: 7/30/03 7:55am Message 5 of 6
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Eagleville, PA - USA
Joined: 11/1/2001
Posts: 18415
Vette(s): Used to own a 1979 Corvette now owned by JB79
Yes, it is an aftermarket radio. No satellie radio.

I can understand that maybe the new radio is too much for the old 79 circuit, but what I don't understand is that the radio and windows are on separate curcuits! So why is one affecting the other? |headscratch|


-Adam Wartell
NCM Lifetime Member #1222
Founder: C3 Vette Registry 
C4 Vette Registry, C6 Vette Registry

My first Vette, now owned by JB79:

Stupid Fuse blew again!

Posted: 8/4/03 9:29am Message 6 of 6
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Canada
Joined: 6/19/2002
Posts: 18
Vette(s): 75 Steel Blue Coupe
Hmmmm, aren't the windows supposed to be on a breaker - not a fuse ? what year is yours? My 75 is on a breaker.


in Forum: C3 Electrical


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