98 camaro z28 ls1 keeps blowing #9 guage fuse
The fuse blows as soon as the key is turned to run position just one click over. I put a test light on the socket to the fuse and opened the key and test light turns on indicating a short. Now I started pulling fuses to try and get the test light to de illuminate and pulling the 50 amp IGN fuse under the hood made the light go out. No other fuse made the light go out when pulled. I have the hanes manual but it doesn't go into specifics about what this 50 amp fuse is powering. Willing to pay for some advice anyone!
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Factory manual for 98: http://www.mediafire.com/file/qzbtnv...arked.pdf/file
The Gauges fuse circuit is on page 8-329 One of the sections shown on that page is for the BTSI, which is on page 2-55 in the steering column section. |
Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Originally Posted by Honee08
(Post 7001472)
I put a test light on the socket to the fuse and opened the key and test light turns on indicating a short.
Originally Posted by Honee08
(Post 7001472)
Now I started pulling fuses to try and get the test light to de illuminate and pulling the 50 amp IGN fuse under the hood made the light go out. No other fuse made the light go out when pulled. I have the hanes manual but it doesn't go into specifics about what this 50 amp fuse is powering.
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Hello everyone I have pulled every module that I can see without pulling the dash. Bcm, ignition switch, lighting control, and cruise control, stereo deck, and both break switches. The fuse still blows with any of these unplugged and at one point all were unplugged and the fuse was still blowing. I even pulled the alternator wires off last night and still blowing the fuse but I didn't make it to the starter cause the mosquitos were swarming me. Anyway I think it is a direct short to ground what makes me more certain is how the fuse explodes not just pop so it has to be a hefty wire shorting. As far as the test light I had the 2 sockets of the #9 fuse in front of me one has a small screw drilled in with the test light clamp and the other end had the point of the test light.
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
I also pulled the cluster and not suprising the fuse still blew when I opened the key. I have visually inspected most of the wiring and some of the wiring was still wrapped in the plastic tubing and "looked" undisturbed. Where I am at now is physically chasing the wire coming out of the fuse block from fuse #9 and trying to follow the wire that doesn't have power when the key is turned. Is there a better procedure for the process of elimination using the test light and pulling fuses?
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
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Originally Posted by Honee08
(Post 7001485)
I think it is a direct short to ground what makes me more certain is how the fuse explodes not just pop so it has to be a hefty wire shorting.
Originally Posted by Honee08
(Post 7001485)
As far as the test light I had the 2 sockets of the #9 fuse in front of me one has a small screw drilled in with the test light clamp and the other end had the point of the test light.
I also should mention that it is a bad idea to use something like a screw in the fuse block terminal as you described. It could damage the fuse block terminal so that it doesn't contact the fuse when installed. Try using something like a bent paperclip in the clamp of the test light to probe the terminal. |
Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Also make sure nothing is connected to the spade lug in the fuse box for switched accessory power (See H4 in schematic linked in above post.) |
Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Found it! It was the wires going into the Daytime running lights module.https://cimg3.ibsrv.net/gimg/www.cam...eb196e01ac.jpg
https://cimg3.ibsrv.net/gimg/www.cam...f0e4ef2f34.jpg |
Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
"Peterpar" tell me where to send the check brother.
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
No need for that. You are the one that found the problem. I was just trying to direct you to look in the right areas. I can't tell from the pictures, what actually happened. Did a wire short out or was the module bad? Some of the wires going into the connector look like they been hot, but several others look like they may have contacted a ground.
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Re: 98 camaro z28 ls1 keeps blowing #9 guage fuse
Being a Chevy, all the power to the headlights goes through that module in some low-light conditions. Carries a lot of current, especially if the high beams are selected. You should be able to just unplug it.
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