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Carburetors Carb discussion and questions. Upgrading a Third Gen carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

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Old 10-15-2009, 03:39 PM   #1
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Car: camaro iroc-z
Engine: 5.7 TPI L98 Corvette engine
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fuel relay intank pump help

hello

i`m bussy with the swap from tpi to carb!
i have strip out the tpi harness ,so i only have left some wires that i need!

i have read these thread/post and don`t understand it about the fuel wiring relay!
i have a 1988 iroc-z 5,7 v8 and my wires of the fuel relay are different
and i have no 3 wire oil sending unit but it`s a 2 wire!

there are some letters on the fuel plug

A: Tan/white (that go`s from the plug to the oil pressure sending plug)
B:Black/white ??
C:Green/white ??
D:Orange (smal wire that go into the C100 plug)
E:Orange (big wire that go from the plug to the oil pressure sending plug)

so is here anyone who can tell me what to do for working the intank fuel pump

dennis
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Old 10-15-2009, 03:53 PM   #2
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Re: fuel relay intank pump help

I added a 12v (while key is on) source to the green/white wire going to the fuel pump relay beside the brake booster.
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Old 10-15-2009, 04:20 PM   #3
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Location: the netherlands
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Car: camaro iroc-z
Engine: 5.7 TPI L98 Corvette engine
Transmission: T5

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Re: fuel relay intank pump help

and then it will run? when ignition goes on?

so it`s never hat to do with the oil presure sending unit?

dennis
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