How to unlock my 2002 Oldsmobile Alero radio - 2002 Oldsmobile Alero

SOURCE: radio wiring color codes

u need the colors of the radio or the car wires.... here are the car wires and the radio are below that. I suggest however gettiing a wiring kit..They are around 8 dollars and well worth the money. It makes is so easy to connect a radio.
RADIO 12V|orange + at radio
RADIO GROUND Black
RADIO SWITCH yellow
POWER ANTENNA dk. green at radio LF SPEAKER tan - gray at radio or LF speaker
RF SPEAKER lt. grn - dk. grn at radio or RF speaker LR SPEAKER brown - yellow at radio or LR speaker
RR SPEAKER dk. blu - lt. blu at radio or RR speaker

Radio wiring
constant power yellow
switched power red
power antenna/amp turn on blue
illumination is orange
all speakers the one with the black stripe is the negative connection.
right rear is purple
left rear is green
left front is white
right front is grey

hope that helps ya...

SOURCE: how to change antifreeze in a 2002 oldsmobile alero

below radioator or side low should b plastic plug which u can unscrew & emty the fluid

SOURCE: Why can't 2002 Oldsmobile Alero won't shift into park or reverse

1st check the shifting cable on drivers side of engine.

SOURCE: how to change water pump in 2002 alero and a

I suggest that you visit the autozone.com website and register the vehicle. It doesn't cost anything and will give you access to an online repair manual. The steps for replacing the water pump should be available there. Hope this helped and best wishes.

SOURCE: I have a 2001 Oldsmobile Alero, the Theft Lock on

you turn the ignition to acc or on and use the hour and min buttons to enter the 4 digit code if you are not the original owner it may be written down in the owners maual. if it is not written down it is possible a code was not assigned in this case it will be all 0's and you just need to push the power knob. if it says sec. then you have successfully unlocked the radio if not you will need to go to the dealership so they can unlock it. or you can try this

1. Turn the ignition ON (The radio should display "LOC")
2. Hold down the Radio Presets 2 and 3 buttons for six seconds
3. The radio display changes from LOC to a three-digit number. Write this number down. You now have fifteen seconds to complete the next step.
4. Press the AM/FM button
5. The radio display changes to another three-digit number. Write this number to the right of the first one.
6. You now have a six-digit number, the first three digits are from STEP 03 and the last three digits are form STEP 05
7. Call 1-800-537-5140
8. Press 1 then # (pound). You'll hear "Invalid Code, try again"
9. Press 139010 or 106010 or 206010 or 202107 then # (pound). You will be asked to enter your four or six digit code followed by *
10. Enter the number from STEP 6 then *
11. Listen to the four-digit number and write it down. It will be repeated twice
12. Turn the ignition ON (The radio displays LOC)
13. Use the MN and HR buttons to enter the code from STEP 11
14. Press the AM/FM button. The radio display changes to "SEC". Your radio is now "un-locked" and usable.
Dealership Codes

• 139010
• 106010
• 206010
• 202107