astroman50

my friend has a 1994 astrovan, it keeps blowing the fuse for the speedo and a couple of other gauges, when it does this it will not shift properly we installed a new battery on the advice of a mechanic and had a canadian tire mechanic check it out for three hours but it still blows this fuse any ideas or helpful hints would be appriciated.

1986Z28

sounds like a short somewhere

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-1986 Z28 - 355 carb, T5
-1986 Sport Coupe - 305TBI and T5(parts car)
-1985 Z28 - No drivetrain(getting scraped soon)
-1989 RS - 2.8, 700R4(parts car)
-1991 Z28 - 355 OBDII tpi HSR, T56(soon hopefully)

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drew300

I've used lamps in place of fuses at times. Probably a lower current lamp (like a marker light) will work here. The lamp limits the current so nothing burns up. Wire a lamp into a blowen fuse, and plug it in. It should pass enough current to let the guages work, and the lamp will be dim. If it's a short circuit, the lamp will at full brightness, or nearly full. Now start looking. When you find a fault, the lamp will dim. If it's intermittent, the lamp might light up when hitting a bump, letting you know a loose / bare wire is hiitting something. Good luck.