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SVT Shelby GT500
Did my Smart Junction Box go bad?
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<blockquote data-quote="54First" data-source="post: 12316555" data-attributes="member: 110504"><p>Your Smart Junction Box is a component of all the circuits you mentioned. I'll guess that it's a fairly expensive part. If you buy one and it's not the problem, as an electrical part it's probably not returnable. If it were me, I'd search for a bad chassis ground first. Next I'd unbolt the SJB and verify that all connectors are seated. Next, I'd reluctantly bring it to the dealer where they have the equipment to do a diagnosis. It could turn out to be the least expensive solution.</p><p></p><p>Steve</p><p></p><p>Second thought: Does it have or did it have an auxiliary theft alarm? They can cause some of your symptoms.</p></blockquote><p></p>
[QUOTE="54First, post: 12316555, member: 110504"] Your Smart Junction Box is a component of all the circuits you mentioned. I'll guess that it's a fairly expensive part. If you buy one and it's not the problem, as an electrical part it's probably not returnable. If it were me, I'd search for a bad chassis ground first. Next I'd unbolt the SJB and verify that all connectors are seated. Next, I'd reluctantly bring it to the dealer where they have the equipment to do a diagnosis. It could turn out to be the least expensive solution. Steve Second thought: Does it have or did it have an auxiliary theft alarm? They can cause some of your symptoms. [/QUOTE]
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Did my Smart Junction Box go bad?
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