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01-20-2004, 02:00 PM | #1 |
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Blowin A fuse
My 78 Chevy Short Fleetside keeps Blowing the Taillight/ Instrument light fuse. Do any of you know of a weak spot in our trucks that I can look for a short, or is it Check everything!!!! Thanks!!!!!! Rob
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-20-2004, 03:33 PM | #2 |
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Finding a short to ground
There are no weak spots in the electrical systems. It is very difficult to trouble/guess from a long distance with very little info.
Just a quick guess. Pull the mat and step plate off at the drivers door sill. There is a part of a wiring harness that goes to rear electrical. Check for any wires that maybe abraided and wire covering is lost. Disconnect wiring connection and check if fuse still trips. I use a auto reset circuit breaker to find short so many fuses are not wasted in the fault finding process. GM pickups uaually have 4 circuits to the rear. Those circuits are left and right turn, tail lites and backup lites. Next action to find short is to remove each lite bulb and check sockets for damage, rust or corrosion. With no power to lites, each socket should be cleaned with socket wire bruch and spray brake cleaner. After sockets are dry and clean, sockets and lamps[bulbs] need to be coated with dielectric grease and reinstalled. Replace lite lens after repair. If the short is still present, send more info.. Frank
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Chevy stepper 400sb 350 turbo Last edited by Frank-id; 01-20-2004 at 08:17 PM. |
01-20-2004, 07:44 PM | #3 |
Robert Olson Transport
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Location: recent transplant to NC USA
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make sure that the tail light wires along the frame arent bein crushed by the clips
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
01-20-2004, 08:20 PM | #4 |
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All Right guys, I will give your Idea's a try!!!!!!!!
Thanks!!!!
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-20-2004, 08:22 PM | #5 |
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sometimes the tailight wire become fraid and very brittle at the back of the box beacuss of excessive moisture and general wear and tear of gravel.. thats what happened to me... don't get your wires confused if you slpice them back together.
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Dennis |
01-20-2004, 10:59 PM | #6 |
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Possibly a messed up trailer connection that has been disabled and is now touching metal .
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01-21-2004, 01:14 AM | #7 | |
Big hands Big feet ohwell
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Quote:
Yea Ive been there before blew the fuse's for the brake lights and the turn signals.
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01-21-2004, 03:42 AM | #8 |
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yeah tell me about it ive seen so many trucks wireing harness butchered where someone put in a trailer connecton then took it out then added another etc.
If at all possible i like them plug in jobbers that dont require splcing wires. Those blue things that you sqeeze with plyers are ok for awhile but personally i solder all my connections then cover it with heat shrink be suprised what one bare wire left neked from tape comin off can do |
01-21-2004, 04:19 AM | #9 |
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The problem started right after we had a heavy snow and i had to drive my poor lowered truck out in it!!! I do have a trailer light plug that does have "Those blue things that you sqeeze with plyers"
I will check them!!!! Thanks Guys!!!!!!!
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-23-2004, 11:12 PM | #10 |
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I found the problem and fixed it!!!!!!!!!!! When I tried to get out in the snow, I ripped a wire off of my custom running lights mounted under the front bumper, and the powered half was sitting on the inside of the bumper~~~~~~~~!!! i knew it had to be something stupid~~!!!!!!
Thanks for the advise guys!!!!
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-26-2004, 01:46 AM | #11 |
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That was it!!!!!!! So Far I still have Tail lights!!!!!!!!!!
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-26-2004, 02:24 AM | #12 |
LED King
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Cool!
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01-28-2004, 01:49 AM | #13 |
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Tyler,
I like your Lights!!!!!!!!!!!! Your Pic is BAAAAAAAAAAAAAAAAD!!!!!
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Rob the ToonMan 56 Chevy Cameo----Custom, [Turquoise] 67 Chevy C10 Short Fleetside (Black & White) 63 Trailorboat-------Teardrop Style Trailer 69 Honda CM90 |
01-28-2004, 09:16 AM | #14 |
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Thanks for the update!
Snow can cause much grief. |
01-28-2004, 09:27 AM | #15 |
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These guys have you headed in the right direction..........Most of the dash lights are related to the rear half of the truck.....
When you find the culprit be sure to post on it.....will help someone else sometime....
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