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Old 06-19-2017, 04:06 PM   #1
Wwes
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Re: 83 K10 Survivor Project

Also, I have dual fuel tanks. Do I need two fuel relays? (Harness has provision for one)
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Old 06-19-2017, 10:09 PM   #2
Greenlee
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Re: 83 K10 Survivor Project

Nice truck! I have almost the same truck (83' k10 with TBI).

You are correct about that plug. There is a harness that plugs into it and goes under the dash to the drivers side. I can't remember specifically if it goes to the cluster, but that sounds right. It's been a few years since I wired mine. I used a complete wire harness from a 89' Suburban.

There is just one fuel pump relay for dual tanks. The trucks you see with two relays have a th400. The extra relay is for the kick down.
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Old 06-20-2017, 01:57 PM   #3
MTCK
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Re: 83 K10 Survivor Project

Quote:
Originally Posted by Wwes View Post
Also, I have dual fuel tanks. Do I need two fuel relays? (Harness has provision for one)

My rig with dual tanks only has one relay. Believe the switch directs the high current side of the relay.
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