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The Terminator
Engine/Tuning
Cobra ECU PCM Test Procedure?
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<blockquote data-quote="lucheski" data-source="post: 16033110" data-attributes="member: 45286"><p>At the end of it all there was no short. Far as I can see it was just the blown #6 fuse after all. When the first replacement fuse ( not new fuse this one was at least 15 years old) blew after a couple minutes running the car. I freaked out assuming a short or water damage and I have tested nearly every wire and circuit, switch and relay in the car and can find nothing wrong. No shorts, opens, water damage, or corrosion. Tonight I did numerous parasitic draw tests and measured only 2 mili amps of draw. So tonight I put in another used 10 yr old fuse I had lying around and car is running fine. My test going from the positive terminal distribution box to the engine block was wrong. Electrically the positive post of the power distribution box is the same positive terminal of the battery. I measured from there to engine block and got 0 ohms of resistance while the battery is connected. Which would be same as testing resistance between positive and negative terminals of the battery. Which was a incorrect test. No short was found. Car is running now with replacement fuse.</p></blockquote><p></p>
[QUOTE="lucheski, post: 16033110, member: 45286"] At the end of it all there was no short. Far as I can see it was just the blown #6 fuse after all. When the first replacement fuse ( not new fuse this one was at least 15 years old) blew after a couple minutes running the car. I freaked out assuming a short or water damage and I have tested nearly every wire and circuit, switch and relay in the car and can find nothing wrong. No shorts, opens, water damage, or corrosion. Tonight I did numerous parasitic draw tests and measured only 2 mili amps of draw. So tonight I put in another used 10 yr old fuse I had lying around and car is running fine. My test going from the positive terminal distribution box to the engine block was wrong. Electrically the positive post of the power distribution box is the same positive terminal of the battery. I measured from there to engine block and got 0 ohms of resistance while the battery is connected. Which would be same as testing resistance between positive and negative terminals of the battery. Which was a incorrect test. No short was found. Car is running now with replacement fuse. [/QUOTE]
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Cobra ECU PCM Test Procedure?
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