Which 2 wires do i put my g-force chip on my 2003 chevy avalanche i have 5 wires

Question edited for clarity.
Question moved from MISC to model category.

Aftermarket ideas
https://www.google.com/search?q=2003+Chevy+Avalanche+stereo

Here is the factory wiring diagram.

2003 Chevrolet Avalanche Car Radio Wiring Diagram

https://www.modifiedlife.com > 2003-chevrolet-avalanc...
Nov 17, 2011 - 2003 Chevrolet Avalanche Speaker Wiring Guide ; Left Front Speaker Negative Wire (-), Gray ; Right Front Speaker Positive Wire (+), Light Green.

If I remember correctly, There's a blower motor resister that should be mounted in close proximity to the blower motor.

Factory or after market? If it is after market, Tear it out and repair the wires. Good ones seem to last 5 to 7 years. If factory. Have the codes read. Could be the key chip, receiver, bcm, ecm, or a bad wire.

have it scanned usually this is a problem with the throttle actuator

Here's for the MAF. 5 wire though.

I'm an owner who had this problem on / off for a year. Several returns to dealership proved hopeless. Service shop devulged that '03 Avalanches had a overall electric problem that could not be detected. I legally forced dealership's hand...They replaced the entire wiring harness at no cost. No problem since. George

Best Buy sells inexpensive kits that attach to your factory wiring.

On top upper side of bell housing on the engine. This page has a diagram and info.Look for the red arrow

http://www.2carpros.com/questions/chevrolet-avalanche-2003-chevy-avalanche-oil-pressure-sending-unit

Sounds like the oil pressure sensor. Thatt is the easiest thing to change. If not its the gauge. Put voltage to the wires from the switch and see if the gauge stops jumping and stays pegged, if it does its the switch Good luck

EASY. there should be 3 torx head screws and take the wiring plug off, it should pull straight off. then put the new one on. Some of these were recalled. Call the dealer with your VIN number, it may be covered, if it is, its FREE.