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Headlight Switch Replacement
 
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Pelican Technical Article:

Headlight Switch Replacement

Nick Czerula

Time:

1 hours1 hrs

Tab:

$200

Talent:

***

Tools:

T25 Torx screwdriver, DVOM

Applicable Models:

Volvo V70 (1998-01)
Volvo V70 2.4T (2001)
Volvo V70 AWD (1998-99)
Volvo V70 GLT (1998-00)
Volvo V70 GLT SE (2000)
Volvo V70 R (1998)
Volvo V70 R AWD (1999-00)
Volvo V70 T5 (1998-01)
Volvo V70 X/C (2001)
Volvo V70 X/C AWD (1998-00)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Headlight switch, headlight switch bezel

Hot Tip:

Be careful not to stress wiring when disconnecting

Performance Gain:

Proper light function

Complementary Modification:

Replace cabin air filter

The Central Electrical Unit, located in the left rear of the engine compartment, controls exterior lights and exterior light functions. Some of the exterior light functions include:

• Exterior bulb monitoring

• Headlight and high beam activation

The headlight switch is located on the dashboard. Trim pieces in Volvo V70 models, including the dashboard and switches, are made of hard plastic. Plastic clips or metal screws may be used to hold them in place. To avoid marring the trim, work with a plastic prying tool or wrap a screwdriver tip with masking tape before prying out trim panels, switches or electrical accessories.

The headlight switch is located on the left side of the steering wheel. An indicator of a problem with the headlight switch would be non-functioning headlights with an illuminated instrument panel. The headlight switch can be removed from the dashboard easily and has serviceable bulbs for function illumination. The parts are available as a unit or separately.

Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Do not work on your vehicle if you feel the task is beyond your ability.

Vehicle models change and evolve as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

The headlight switch is located on the left side of the steering wheel (red arrow).
Figure 1

The headlight switch is located on the left side of the steering wheel (red arrow).

Working at the lower trim panel above the pedal cluster, remove the T25 Torx screw (red arrow).
Figure 2

Working at the lower trim panel above the pedal cluster, remove the T25 Torx screw (red arrow).

Pull the panel forward about two inches, then down.
Figure 3

Pull the panel forward about two inches, then down. During this step you are detaching the panel clips (red arrows) from the instrument panel.

Lower the trim panel enough to access the footwell light electrical connector.
Figure 4

Lower the trim panel enough to access the footwell light electrical connector. Disconnect the electrical connector by releasing the clip and pulling it straight out.

Pull the panel down to detach the air duct (red arrow) while feeding the hood release lever through the slot (green arrow).
Figure 5

Pull the panel down to detach the air duct (red arrow) while feeding the hood release lever through the slot (green arrow).

Now that you have removed the trim panel, reach up behind the instrument panel (yellow arrow) and press the switch out from behind (red arrow).
Figure 6

Now that you have removed the trim panel, reach up behind the instrument panel (yellow arrow) and press the switch out from behind (red arrow). You can lever the switch out, but I find this leads to damaging the trim.

Press the switch out from behind to remove it.
Figure 7

Press the switch out from behind to remove it.

Disconnect the electrical connector by pulling it straight out of the switch.
Figure 8

Disconnect the electrical connector by pulling it straight out of the switch. If needed, release the clips at the sides (red arrows).

Disconnect the electrical connector by pulling it straight out of the switch.
Figure 9

Disconnect the electrical connector by pulling it straight out of the switch.

With the switch removed, you can service the small bulbs (red arrows).
Figure 10

With the switch removed, you can service the small bulbs (red arrows). Do not move the A B C switch (yellow arrow). This is for adjusting the switch position at the factory. Moving it may damage your switch.

Use a small flathead screwdriver and rotate the bulb holder 45°.
Figure 11

Use a small flathead screwdriver and rotate the bulb holder 45°. The inset photo shows the two bulb sizes.

Remove the bulb holder with the bulb from the switch.
Figure 12

Remove the bulb holder with the bulb from the switch. The inset photo shows the two bulb sizes. To install a new switch, connect the electrical connector and slide it into the instrument panel. Then reassemble the footwell panel.

Connect your DVOM to the connector (red arrow).
Figure 13

Connect your DVOM to the connector (red arrow). To test the switch, confirm you have battery voltage on terminals 6 and 7, with the key in the On position. Then turn on the headlights and check that battery voltage is at terminal 9. Check terminal 10 for battery negative (ground). If your headlights work and your readings do not match these specs, replace the switch.


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