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Thoughts on ignition issue?

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Old Dec 21, 2016 | 04:58 PM
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bradphx
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Thoughts on ignition issue?

So if I slightly jiggle my keys while the truck is running my accessory powered items(gauges, stereo, etc) cut out. Any ideas on why this would happen?
78 f150 custom
 
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Old Dec 21, 2016 | 05:17 PM
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redcreekauto
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Bad ignition switch or corroded contacts on the harness plug or switch itself.
 
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Old Dec 21, 2016 | 05:21 PM
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Exactly what he said
 
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Old Dec 22, 2016 | 07:44 AM
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F250_Super_4X4
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Just had this happen to me. The 10-12 gauge BLK-GRN wire along with Y melted the plug and lost contact. I found the culprit, the PO had inserted aluminum foil under the 30 amp heater fuse causing the wire to melt. I purchased a new ignition switch and soldered a new plug in. Works like a charm. Also removed the Wrigleys gum wrapper!
 
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Old Dec 22, 2016 | 05:17 PM
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Thanks for the info guys. I'll get digging into that to see what's up
 
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