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Anonymous Posted on Jun 14, 2015

How do i fix, 1999 chevy van express, blows eng 1 , 20 amp fuse as soon as i turn the key on,???

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Rebecca Wilson

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  • Posted on Jun 14, 2015
Rebecca Wilson
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The wiring. You need a multimeter to check the wiring.

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It needs retiring, how many million miles has it done? ;>)

Check the wires around the fuse boxes and the ECM. Look for wires that have rubbed through to the chassis.

You are not alone with this fault

https://www.google.com/search?q=94+chevy+astro+van+ecm+fuse+blows+when+key+is+turned+on

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My 07 Chevy express van 3500 6.0 engine, we had the AC compressor replaced. It stopped blowing,replaced the resistor and blower motor. AC keeps blowing the 20 amp fuse under the drivers seat!

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I have a fuse blowing constantly on my van

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2002 chevy van 2500 when i turn key to start van

Fuses only blow if-Old,Overheated or you have a Short circuit.
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make sure of two things one is any wires touching at the starter to ground or melted and or is the starter drawing too much amperage causing the fuse to blow.starter may have a dead short in it.
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sounds as if you have a power shortage in the van. first establish what fuse keeps blowing this will help in narrowing down the short.once short is located check all connections ,wires,and plugs.
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98 PLYMOUTH GRAND VOYAGER WONT START - BLOWS ENG FUSE - HELP

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