help wiring

Hello: The following question pertains to a 2004 Chevy Tahoe LT, 5.3L V8 OHV 16V FI Engine Vortec 5300 V8 Flex-Fuel Engine. I replaced the fuel pump with a DELPHI FG0810 fuel pump. After putting everything back together, the truck would not start, and I discovered this was due to the fuel...

I was trying to save a few bucks (more then a few) and put in a Secure Idle Unit myself in my 01 Suburban and needless to say I'm not a professional. So right now I'm trying to piece it back together and I almost have it together but when I turn my key and start my vehicle my gas gauge does not...