2000 GMC Envoy HID low beam headlights

Tiny
RON4668
  • MEMBER
  • 2000 GMC ENVOY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
The left side low beam headlight is out. I tried to take it out and put it in the right side, to see if it is the bulb or the system. But could not figure out how to get it out with out breaking the bulb. I have 2 questions: how do I get the bulb out and where can I get a new bulb or system. The bulb is one unit with the xenon light system. The bulb does not come out with out the whole unit coming out, including the sight system and the starter. The numbers for this unit are:
165261104
xenon light system # 928521028400
serial # 20886
bulb/starter # 16526491
I need to know if the kit that Xenon sells on line will work in my truck. Xenon has not answered my question about it, all they said was it works. I don't know if the kit is to upgrade to HID or to replace a unit.

Thank you

Ron Ferrentino

update 11/05/08
Thanks for your answer But that is not the right bulb. This is a xenon light system #928521028400 Bulb serial # 20886 bulb / starter #16526491. The whole headlight comes out the way you show it but the light bulb is different then the one you show. I need the right prints to look at.

Thanks again.
Tuesday, November 4th, 2008 AT 7:54 PM

2 Replies

Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello

Well, I have attached the directions for the bulb replacement and you can get them at Auto Zone or O'Reilly's for sure.

Headlamp Replacement

CAUTION: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

Turn off the lamp switch and allow the bulb to cool before changing the bulb.
Leave the lamp switch OFF until the bulb change is complete.
Always wear eye protection when changing a halogen bulb.
Handle the bulb only by its base. Avoid touching the glass.
Keep dirt and moisture off the bulb.
Properly dispose of the used bulb.
Keep halogen bulbs out of the reach of children.
NOTE: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.


https://www.2carpros.com/forum/automotive_pictures/248015_1_14.gif



Ensure that the headlamp switch is in the OFF position.
Ensure that the ignition switch is in the LOCK position.
Remove the headlamp retainers by pulling up and outward.


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Remove the headlamp electrical connectors.


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Remove the headlamp from the vehicle.
Push and rotate the bulb 1/4 turn counter-clockwise in order to remove the bulbs from the headlamp.

INSTALLATION PROCEDURE


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Push in and rotate the bulb 1/4 turn clockwise in order to install the bulb to the headlamp.
Install the headlamp electrical connectors.


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Install the headlamp to the vehicle.


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Install the headlamp retainers by pushing down and inward.
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Tuesday, November 4th, 2008 AT 8:37 PM
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello

Thanks for the additional info. . ...however, the only thing I show is a Delphi system and Philips. Both are High Intensity Discharge (HID) which would refer to the xenon type. I also have those two for headlamp starter/arc tube replacement as well.

I will attach all 4 - Lord willing it is the one you need.

"Â Headlamp Replace - High Intensity Discharge (HID) (Delphi)

REMOVAL PROCEDURE

CAUTION:

The high Intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:
Never open the high intensity discharge system ballast or the arc tube assembly starter.
Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.
The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.
NOTE: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.


https://www.2carpros.com/forum/automotive_pictures/248015_d1_1.gif



Remove the battery negative cable.
Remove the radiator grille from the vehicle.
Remove the front bumper assembly from the vehicle.
Remove the starter cable retainers from the headlamp ballast.
Remove the starter cable from the headlamp ballast.


https://www.2carpros.com/forum/automotive_pictures/248015_d2_1.gif



Remove the headlamp retainers by pulling up and outward.


https://www.2carpros.com/forum/automotive_pictures/248015_d3_1.gif



Disconnect the electrical connections and bulb(s) from the headlamp housing.


https://www.2carpros.com/forum/automotive_pictures/248015_d4_1.gif



Remove the headlamp mounting bracket retainers.
Remove the headlamp mounting bracket from the headlamp housing.
On a bench, remove the arc tube with starter from the headlamp housing.

INSTALLATION PROCEDURE


https://www.2carpros.com/forum/automotive_pictures/248015_d5_1.gif



On a bench, assemble the arc tube with starter to the headlamp.
Install the headlamp mounting bracket to the headlamp housing. NOTE: Refer to Fastener Notice in Service Precautions.
Install the headlamp mounting bracket retainers. Tighten
Tighten the headlamp mounting bracket flange nut to 5 N.m (45 lb in) .
Tighten the headlamp mounting bracket bolts to 1.24 N.m (11 lb in) .


https://www.2carpros.com/forum/automotive_pictures/248015_d6_1.gif



Connect the electrical connections and bulb(s) to the headlamp housing. IMPORTANT: Ensure that the lower retaining tabs are seated for proper headlamp housing retention.


https://www.2carpros.com/forum/automotive_pictures/248015_d7_1.gif



Install the headlamp to the vehicle.


https://www.2carpros.com/forum/automotive_pictures/248015_d8_1.gif



Install the headlamp retainers by pushing down and inward.


https://www.2carpros.com/forum/automotive_pictures/248015_d9_1.gif



Install the starter cable retainers to the headlamp ballast.
Install the starter cable to the headlamp ballast. Tighten Tighten the starter cable screws to 0.7 N.m (6 lb in) .
Install the front bumper assembly to the vehicle.
Install the radiator grille to the vehicle.
Install the battery negative cable.

"Â HID Headlamp Starter/Arc Tube Replacement (Delphi)

REMOVAL PROCEDURE

CAUTION:

The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:
Never open the high intensity discharge system ballast or the arc tube assembly starter.
Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.
The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.
NOTE: When removing or replacing the arc tube, the arc tube must not contact the side of the headlamp housing or the bulb shield. Damage to the arc tube may result.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.


https://www.2carpros.com/forum/automotive_pictures/248015_d21_1.gif



Disconnect the battery negative cable.
Remove the headlamp.
Remove the arc tube with starter retaining screws from the headlamp housing.
Remove the arc tube with starter from the headlamp housing.
Remove and retain the spiral Electromagnetic Interference (EMI) shield from the headlamp housing.

INSTALLATION PROCEDURE


https://www.2carpros.com/forum/automotive_pictures/248015_d22_1.gif



Install the spiral Electromagnetic Interference (EMI) shield to the headlamp housing. IMPORTANT: The headlamp starter must be held perfectly straight to the headlamp housing, apply pressure downward to compress the spiral electromagnetic interference shield with the headlamp starter as the three screws are replaced. The headlamp starter and arc tube assembly also has a tendency to tilt to one side because of the spiral electromagnetic interference shield.
Install the headlamp starter assembly to the headlamp. Ensure that the alignment notch (1) and tab (2) are lined up. NOTE:
The correct tightening sequence must be followed. If the correct sequence is not followed, the headlamp components may warp and cause premature failure of the system.
Refer to Fastener Notice in Service Precautions.
IMPORTANT: Follow the correct tightening sequence. Use GM P/N 12346067 or Loctite(R) 380/410 on these fasteners or in the headlamp housing screw holes.


https://www.2carpros.com/forum/automotive_pictures/248015_d23_1.gif



Install the starter/arc tube retaining screws to the headlamp housing. Tighten
3.1. Tighten the starter/arc tube screws to 0.5 N.m (4.5 lb in) on the first pass.
3.2. Tighten the starter/arc tube screws to 1 N.m (9 lb in) on the second pass.

IMPORTANT: The starter cable routing from the starter/arc tube to the ballast is between the headlamp mounting bracket and the back of the headlamp housing. The starter cable must be routed between the vertical adjuster and the center pivot in order to provide proper clearance.

Install the headlamp to the vehicle.
Connect the battery negative cable.

"Â Headlamp Replace - High Intensity Discharge (HID) (Philips)

REMOVAL PROCEDURE

CAUTION:

The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:
Never open the high intensity discharge system ballast or the arc tube assembly starter.
Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.
The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.
Refer to Battery Disconnect Caution in Service Precautions.
NOTE: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.


https://www.2carpros.com/forum/automotive_pictures/248015_p1_1.gif



Remove the battery negative cable.
Remove the radiator grille from the vehicle.
Remove the front bumper assembly from the vehicle.
Remove the starter cable retaining screws and cover from the headlamp ballast.


https://www.2carpros.com/forum/automotive_pictures/248015_p2_1.gif



Remove the retaining clip from the starter cable connector.
Remove the starter cable from the headlamp ballast.


https://www.2carpros.com/forum/automotive_pictures/248015_p3_1.gif



Remove the headlamp retainers by pulling up and outward.


https://www.2carpros.com/forum/automotive_pictures/248015_p4_1.gif



Disconnect the electrical connections and bulb(s) from the headlamp housing.


https://www.2carpros.com/forum/automotive_pictures/248015_p5_1.gif



Remove the headlamp mounting bracket retainers.
Remove the headlamp mounting bracket from the headlamp housing.
On a bench, remove the arc tube with starter from the headlamp housing.

INSTALLATION PROCEDURE


https://www.2carpros.com/forum/automotive_pictures/248015_p6_1.gif



On a bench, assemble the arc tube with starter to the headlamp.
Install the headlamp mounting bracket to the headlamp housing. NOTE: Refer to Fastener Notice in Service Precautions.
Install the headlamp mounting bracket retainers. Tighten
Tighten the headlamp mounting bracket flange nut to 5 N.m (45 lb in) .
Tighten the headlamp mounting bracket bolts to 1.24 N.m (11 lb in) .


https://www.2carpros.com/forum/automotive_pictures/248015_p7_1.gif



Connect the electrical connections and bulb(s) to the headlamp housing. IMPORTANT: Ensure that the lower retaining tabs are seated for proper headlamp housing retention.


https://www.2carpros.com/forum/automotive_pictures/248015_p8_1.gif



Install the headlamp to the vehicle.


https://www.2carpros.com/forum/automotive_pictures/248015_p9_1.gif



Install the headlamp retainers by pushing down and inward.


https://www.2carpros.com/forum/automotive_pictures/248015_p10_1.gif



Install the starter cable connector to the ballast. IMPORTANT: The arc tube will not energize if the retaining clip is removed or improperly installed.
Install the retaining clip to the starter cable connector.


https://www.2carpros.com/forum/automotive_pictures/248015_p11_1.gif



Install the starter cable retaining screws and cover to the headlamp ballast. Tighten Tighten the starter cable screws to 0.7 N.m (6 lb in) .
Install the front bumper assembly to the vehicle.
Install the radiator grille to the vehicle.
Install the battery negative cable.

"Â HID Headlamp Starter/Arc Tube Replacement (Philips)


https://www.2carpros.com/forum/automotive_pictures/248015_p21_1.gif



Disconnect the battery negative cable.
Remove the headlamp.
Remove the arc tube with starter retaining screws from the headlamp housing.
Remove the arc tube with starter from the headlamp housing.
Remove and retain the spiral Electromagnetic Interference (EMI) shield from the headlamp housing.

INSTALLATION PROCEDURE


https://www.2carpros.com/forum/automotive_pictures/248015_p22_1.gif



Install the spiral Electromagnetic Interference (EMI) shield to the headlamp housing. IMPORTANT: The headlamp starter must be held perfectly straight to the headlamp housing, apply pressure downward to compress the spiral electromagnetic interference shield with the headlamp starter as the three screws are replaced. The headlamp starter and arc tube assembly also has a tendency to tilt to one side because of the spiral electromagnetic interference shield.
Install the headlamp starter assembly to the headlamp. Ensure that the alignment notch (1) and tab (2) are lined up. NOTE:
The correct tightening sequence must be followed. If the correct sequence is not followed, the headlamp components may warp and cause premature failure of the system.
Refer to Fastener Notice in Service Precautions.
IMPORTANT: Follow the correct tightening sequence. Use GM P/N 12346067 or Loctite(R) 380/410 on these fasteners or in the headlamp housing screw holes.


https://www.2carpros.com/forum/automotive_pictures/248015_p23_1.gif



Install the starter/arc tube retaining screws to the headlamp housing. Tighten
3.1. Tighten the starter/arc tube screws to 0.5 N.m (4.5 lb in) on the first pass.
3.2. Tighten the starter/arc tube screws to 1 N.m (9 lb in) on the second pass.

IMPORTANT: The starter cable routing from the starter/arc tube to the ballast is between the headlamp mounting bracket and the back of the headlamp housing. The starter cable must be routed between the vertical adjuster and the center pivot in order to provide proper clearance.

Install the headlamp to the vehicle.
Connect the battery negative cable.
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Wednesday, November 5th, 2008 AT 5:57 PM

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