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KyleMaras7.3LPowerstroke
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19 Posts
Discussion Starter #1
7.3L with shift on the fly. I would really like to know what this could be. My buddy and i tested it at the t-case and nothing. We think it is the 4x4 relay above the glove box. Is there anything else i should consider before buying the $300 relay???? For ####s ill turn the switch and the light comes on and 4wheel works. But 95% of the time nothing. WHAT ELSE IS THERE???? Please help! The snow is right around the corner
 

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blame the dog..
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1,945 Posts
if the light doesn't come on when you flip the switch, I'd be checking the relays.. but they're under the hood and they're not $300 (at least on mine)
 

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Diesel Sled Head
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1,101 Posts
Are you sure the tcase is engaging the front shaft. Have seen many issues with the hub seals in the front end.
 

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KyleMaras7.3LPowerstroke
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19 Posts
Discussion Starter #4
Im able to manually lock my hubs. Where ae the relays at under the hood? The only one i know about is above the glove box. Its about 4"x6" in size, pretty good size.
 
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