ION L4-2.2L VIN F (2004)
1.
Remove headlamp assembly by removing headlamp assembly retaining pins.
2.
Position the headlamp assembly away from the vehicle to access the headlamp electrical connector.
3.
Disconnect the headlamp jumper harness electrical connector from the headlamp assembly.
4.
Place this headlamp assembly to the side.
Important:
If other side headlamp assembly turn signal bulb also is inoperative, then obtain known good headlamp assembly or known good headlamp wiring
harness assembly to perform Step 9.
5.
Remove other side headlamp assembly by removing headlamp assembly retaining pins.
6.
Position the headlamp assembly away from the vehicle to access the headlamp electrical connector.
7.
Disconnect the headlamp harness electrical connector from the other headlamp assembly.
8.
Place the other headlamp assembly in the opening for the original headlamp assembly and connect headlamp jumper harness connector to
headlamp assembly.
Important:
This diagnosis step will verify if electrical concern for the bulb being inoperative is in the headlamp assembly or the wiring prior to the headlamp
assembly.
9.
Turn on the hazard warning flashers to verify if the turn signal bulb is working.
^
If the bulb is now working with the different headlamp assembly, then the headlamp wiring harness in the original headlamp assembly needs to
be replaced (contains park/turn socket). Disconnect headlamp assembly from headlamp jumper harness. Proceed to Step 10.
^
It the bulb is still not working, then concern is in wiring between forward lamp harness connector and body control module (BCM). Disconnect
headlamp assembly from headlamp jumper harness. Diagnose and repair condition (refer to diagnostics for B3948 or B3949, depending on
which code is set, in the Lighting Systems section of the 2003 or 2004 Saturn ION Service Manual, Vol.3), then proceed to Step 20 in
"Headlamp Jumper Harness/Resistor Installation."
10.
On original headlamp, remove both the park/turn access cover and headlight bulb access cover by rotating counterclockwise.
11.
Remove 6-pin headlamp wiring harness connector from tab on headlamp housing.
12.
Push rubber grommet into headlamp assembly and also push 6-pin connector through opening where grommet was previously located.
Important:
Remove headlamp bulb and headlamp retaining nut from headlamp assembly/connector prior to wiring harness removal.
13.
Carefully remove wiring harness through the park/turn bulb access opening.
