| Headlight fuses [message #225179] |
Fri, 11 October 2013 03:56  |
appie
Messages: 902
Registered: April 2013
Location: denmark
Karma: 2
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Doing the dash i am looking at the diagram of the fusebox. According the diagram there are no fuses for the headlights ? That can not be right. Maybe they are somewhere else ?
Appie
eleganza 76 "Olga" now sadly sold
6 wheel discbrake
Quadrabags
Springfield stage 2 462 olds
Manny tranny
( pictures at http://www.gmcmhphotos.com/photos/g6489-olga.html
Fulltiming in Europe july 2014 til july 2016
Denmark
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| Re: [GMCnet] Headlight fuses [message #225188 is a reply to message #225182] |
Fri, 11 October 2013 08:01  |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Appie,
Bruce is correct, there is a circuit breaker inside the headlight switch assembly. The drawing shows it as an 25 Amp rating. As you look at the wiring drawing it is in the upper left corner of the switch. Just follow the #12 red wire on the drawing to the switch and you see the curved device just inside the box with a 25A next to it.
JR Wright
78 Buskirk Stretch
75 Avion
Michigan
On Oct 11, 2013, at 8:08 AM, Bruce Hislop <bruce@perthcomm.com> wrote:
>
>
> I believe there is a circuit breaker for the headlights inside the headlight switch.
>
> --
> Bruce Hislop
> ON Canada
> 77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
> Hubler 1 ton front end
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: Headlight fuses [message #225218 is a reply to message #225179] |
Fri, 11 October 2013 11:01 |
appie
Messages: 902
Registered: April 2013
Location: denmark
Karma: 2
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Senior Member |
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Yep found the diagram, guess it does not work right as the plug is burned out Better fuse it now that I am on it
Appie
eleganza 76 "Olga" now sadly sold
6 wheel discbrake
Quadrabags
Springfield stage 2 462 olds
Manny tranny
( pictures at http://www.gmcmhphotos.com/photos/g6489-olga.html
Fulltiming in Europe july 2014 til july 2016
Denmark
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| Re: Headlight fuses [message #225285 is a reply to message #225179] |
Fri, 11 October 2013 18:51 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Same problem as at the fan resistor. Oxidation causes heat due to resistance. The GM 'way' on the thermal headlamp breaker was so that if a failing lamp filament shorted internally in the sealed beam, a blown fuse would leave you in the dark. This way it self resets when cooled. Adding a user fuse adds more resistance and voltage drop. As Emery stated, no need.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: Headlight fuses [message #225308 is a reply to message #225179] |
Sat, 12 October 2013 00:18 |
appie
Messages: 902
Registered: April 2013
Location: denmark
Karma: 2
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Senior Member |
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ok thanks for that input
Decided to drop in relais to take the current away from the switch, adding a set of long beams and at the same time a shift relais between the new foglight and dipbeam
There will be light
Appie
eleganza 76 "Olga" now sadly sold
6 wheel discbrake
Quadrabags
Springfield stage 2 462 olds
Manny tranny
( pictures at http://www.gmcmhphotos.com/photos/g6489-olga.html
Fulltiming in Europe july 2014 til july 2016
Denmark
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| Re: Headlight fuses [message #225318 is a reply to message #225179] |
Sat, 12 October 2013 05:01 |
appie
Messages: 902
Registered: April 2013
Location: denmark
Karma: 2
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Senior Member |
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Very simple procedure. No need to have parts Ship from US
Customs might have gone home anyway
Appie
eleganza 76 "Olga" now sadly sold
6 wheel discbrake
Quadrabags
Springfield stage 2 462 olds
Manny tranny
( pictures at http://www.gmcmhphotos.com/photos/g6489-olga.html
Fulltiming in Europe july 2014 til july 2016
Denmark
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