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The Terminator
Engine/Tuning
Help with PCM fuse that keeps blowing Electrical Issue
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<blockquote data-quote="Terminator Dave" data-source="post: 16002057" data-attributes="member: 187360"><p>A 40A fuse blowing is ALLOT of current! Can you post the part of the schematic that leads to the PCM? There is nothing on inputs or outputs that will cause this. They are low input pulses and 5V or 12V TTL levels. Either the PCM has one hell of a short, or most likely, you have a short on the wire leading to the B+ (12V)line of the PCM. When you say you shifted 1/2 gears, there's allot of torque and forward motion going on. Maybe you have a wire with insulation bad? Something is causing a 40A short.</p><p></p><p>Sent from my 2PS64 using the <a href="http://r.tapatalk.com/byo?rid=92568" target="_blank">svtperformance.com mobile app</a></p></blockquote><p></p>
[QUOTE="Terminator Dave, post: 16002057, member: 187360"] A 40A fuse blowing is ALLOT of current! Can you post the part of the schematic that leads to the PCM? There is nothing on inputs or outputs that will cause this. They are low input pulses and 5V or 12V TTL levels. Either the PCM has one hell of a short, or most likely, you have a short on the wire leading to the B+ (12V)line of the PCM. When you say you shifted 1/2 gears, there's allot of torque and forward motion going on. Maybe you have a wire with insulation bad? Something is causing a 40A short. Sent from my 2PS64 using the [URL=http://r.tapatalk.com/byo?rid=92568]svtperformance.com mobile app[/URL] [/QUOTE]
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Help with PCM fuse that keeps blowing Electrical Issue
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