Gary Nicklaus wrote:
>
> What really bothers me is the fact that all of the fuses remained intact. I'm
> lucky the car didn't burn.
Gary :
This is a fairly common conundrum, not only in cars but in houses too.
The problem is that fuses can only protect against an over-current
condition, they cannot protect against excess heat caused by a bad
connection.
Power is voltage times current, so a 1 volt drop in a 10 amp circuit
dissipates 10 watts of power. This is barely noticeable in a car, even
considered acceptable in house wiring, but if the drop is concentrated
at one point, it can melt insulation or even cause a fire. The problem
feeds on itself too, since hot copper will corrode to copper oxide,
which is a lousy conductor. The resistance goes up, the heat goes up,
it just keeps getting worse and worse over time.
About the only permanent solution for a LBC is constant vigilance. When
your lights seem a little dim, find out why and fix it !
Of course you'll need to replace your harness now to fix the damage, but
chances are it was not at fault to begin with. The problem almost
always starts as a bad connection.
Randall
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