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View Full Version : F A S T XFI jumper harness

mrbuickturbo6
07-12-2007, 07:43 PM
I'm looking to put a F A S T XFI in my 90' 454ss, can anyone tell where I can find a jumper harness that will plug into my factory harness - no splicing? I know they make jumpers for other cars. Thanx!
heavychevy454ss
07-13-2007, 11:33 AM
http://www.howellefi.com/shop/customer/home.php

I think these guys make them.
mrbuickturbo6
07-14-2007, 08:39 AM
Thanx I looked at that site & didn't see anything?
heavychevy454ss
07-16-2007, 11:05 AM
They used to make them. Try calling them, maybe it's only special order now.
mrbuickturbo6
07-17-2007, 04:24 PM
I called Howell today no XFI jumper harness, but they said I should loose my stock 8747 ECM & go with a 730 or other TPI ECM. I already have an Ostich, Tuner pro RT,winALDL,& A lm-1 wide band. I can't seem to get any of this junk to work for me! So I'm thinkin of going with a FAST XFI! What do ya think?
heavychevy454ss
07-17-2007, 05:08 PM
Many Many people are having good results with the EBL. I am seriously considering it myself.
mrbuickturbo6
07-17-2007, 06:13 PM
What would EBL give me over what I have now?