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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2010 Posts: 45 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 45 | I have a vintage air ac system that was installed by my mechanic. He added a toggle switch rather than wiring it through the ignition key. When I stopped the truck I hit the toggle and it kept running. With further inspection I found that the fuse installed just behind the switch was melted to a mush of plastic.It is easy enough to replace the fuse, but what would have caused it to over heat and not blow? | | | | | Joined: Feb 2004 Posts: 29,751 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,751 | A loose, dirty, or poorly-crimped connection can develop a significant amount of heat without exceeding the current capacity of a fuse. Installing a fuse way above the current carrying capacity of the wire involved can also lead to overheating, such as using a 30 amp fuse on an 18 gauge wire, for instance. Fuses are supposed to protect wires, not the end item in the circuit. It sounds like you need to find a better electrician, before this guy burns your truck down!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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