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What are the common faults of volvo loader light and how to troubleshoot

(Summary description)The volvo loader light troubleshooting, Check whether the volvo loader light is black. If it is black, you can confirm that the bulb is damaged and replace the bulb.

What are the common faults of volvo loader light and how to troubleshoot

(Summary description)The volvo loader light troubleshooting, Check whether the volvo loader light is black. If it is black, you can confirm that the bulb is damaged and replace the bulb.

Information

Analysis of the principle of volvo loader light: After the electric lock is opened, the 10A front headlight fuse in the 20-way fuse box is energized (24V), and it reaches the combination switch through the 44th wire, and at the same time reaches the far and near light of the front combined light through the 35th wire. The contacts of the relay. When the combination switch is in the disconnected state, the 49 or 50 wires are not energized, and the left and right front headlights are not working. When the combination switch is in the high beam or low beam position, the 49 or 50 wires are energized, (24V ), the front combination lamp far and near light relay coil is energized, the contact is closed, the front combination lamp high beam or low beam filament is energized (24V), the volvo loader light will work in the corresponding gear at the same time, and a bucket and other front-end attachments are required The great view of the connection of intelligent manufacturing.

The volvo loader light troubleshooting:

①Check whether the volvo loader light is black. If it is black, you can confirm that the bulb is damaged and replace the bulb.
②Unplug the connector, turn the dimmer switch to high beam and low beam respectively, use the DC voltage file of a multimeter to detect the voltage of the 49 and 50 wires at the connector of the connector, if the voltage is 24V, check the connector Whether the connection is reliable, if the connection is loose, reconnect, if the connection is reliable, the internal wiring of the volvo loader light is loose or the bulb is damaged. If the voltage is 0V, check according to the following steps.
③Check whether the 10A headlamp fuse is blown.
④Check whether the connection of the connector is reliable and whether the wiring harness is worn.
⑤Check the function of the dimming gear according to the accessory-combination switch data.
 

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