What is the radio wiring diagram for 2003 Olds Alero?

Answer 1

are you putting in an aftermarket radio? if you are then go to Walmart and there is a radio plug in wire kit, its called Scoshe Wire Harness. it costs $40.00 before tax because it gives you an extra plug in for the security behind the radio. after you buy that harness you just unplug the factory radio and plug in the harness, then for the wring it is, Black (ground), Yellow (battery), Red (power), Green (speaker wire0, (negative speaker wires have a black line on them, Gray, White, Purple are all speaker wires, Blue (remote turn on wire).

Answer 2

This Is A Little Easier... From modifiedlife.com 1986 Chevrolet Monte Carlo Car Audio Wiring Guide Car Radio Battery Constant 12v+ Wire: Orange

Car Radio Accessory Switched 12v+ Wire: Yellow

Car Radio Ground Wire: Black

Car Radio Illumination Wire: Gray

Car Stereo Dimmer Wire: Light Brown

Car Stereo Antenna Trigger Wire: Pink

Car Stereo Amp Trigger Wire: N/A

Car Stereo Amplifier Location: N/A

Car Audio Front Speakers Size: 3 1/2″

Car Audio Front Speakers Location: Dash

Left Front Speaker Positive Wire (+): Tan

Left Front Speaker Negative Wire (-): Gray

Right Front Speaker Positive Wire (+): Light Green

Right Front Speaker Negative Wire (-): Dark Green

Car Audio Rear Speakers Size: 4″ x 10″

Car Audio Rear Speakers Location: Rear Deck

Left Rear Speaker Positive Wire (+): Brown

Left Rear Speaker Negative Wire (-): Yellow

Right Rear Speaker Positive Wire (+): Dark Blue

Right Rear Speaker Negative Wire (-): Light Blue If you go to autozone.com you should be able to get a free diagram. If not I'm pretty sure the Orange is HOT all times, the Yellow is Ignition Hot and Black is Grd., the grey is illumination and the rest should be speaker wires. If that don't work email me I have an 86 Monte....

Answer 3

no.