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Old 12-20-2003, 09:03 PM
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2000 Vortec Swap - Engine Won't Run - Vats?

Hi Everyone,

I just did a motor swap, from a 2000 Chevy Vortec into a 1989 TBI Truck. I got the computer, and the wiring harness with the motor for the swap. I bolted and soldered everything up, but its not done yet.

I did all of the conversion myself. The vehicle starts and runs, but only for two seconds!

My helper suggested that I check into the VATS system, and he said that there is a way to bypass the VATS system to get it to run for us.

How is this done?

Can anyone help me get this truck running so I can go to work on Monday?

Thanks,

Adam

kd6poc@pirate4x4.com

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Old 12-22-2003, 01:39 AM
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Somethings not right in the fuel pump relay curcuit. The relay comes on for 3 seconds on crank then needs to see the run curcuit to keep it going. Bypass the FP relay going from + to the pump start it and see if it still runs. Would have to get a wiring diagram to see how the 2 systems are different in this part of the relay. Ray
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Old 12-28-2003, 10:21 PM
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w/ the engine swap did you get the body control module and ign. key. if not the vats might be doing what mine is doing and shutting down the injectors. i woul suggest having your ecm reflashed. josh
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Old 03-22-2004, 09:52 AM
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VATS

Painless Wiring sells a vats module which will eliminate that as a problem. Simple 2 wire hookup.
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