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Jeep Wrangler YJ
YJ General Discussion
Stumped by short to ground
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<blockquote data-quote="TRevs" data-source="post: 440539" data-attributes="member: 20654"><p>Appreciate all the info and advice! </p><p></p><p>I disconnected the connectors from the back of the blower on/off switch, the fan speed switch, and to the blower motor itself. My son has a power supply for his electronics hobbies so I put 12v 12 amps onto the blower motor and it fired right up and ran normally (pretty exciting I thought at the time; it probably hasn't run in years). </p><p></p><p>Then I reconnected the negative battery terminal, left all the circuit connectors disconnected, put a new fuse in the block, and turned the key to ON. The fuse immediately popped.</p><p></p><p>So, I conclude there is a short to ground between the fuse block and the connector for the blower on/off switch.</p></blockquote><p></p>
[QUOTE="TRevs, post: 440539, member: 20654"] Appreciate all the info and advice! I disconnected the connectors from the back of the blower on/off switch, the fan speed switch, and to the blower motor itself. My son has a power supply for his electronics hobbies so I put 12v 12 amps onto the blower motor and it fired right up and ran normally (pretty exciting I thought at the time; it probably hasn't run in years). Then I reconnected the negative battery terminal, left all the circuit connectors disconnected, put a new fuse in the block, and turned the key to ON. The fuse immediately popped. So, I conclude there is a short to ground between the fuse block and the connector for the blower on/off switch. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Stumped by short to ground
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