Room Lamp

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The room lamp, also known a dome light.

Car

Part Numbers

These parts are the same for both B110 and B210.

• 26410-H1000 ASS'Y-LAMP, room $19.80 USD
• 26411-H1000 LENS $8.13 USD
• 26414-H1000 BODY
• 26736-89902 BULB $2.38 USD
• 89-10412-12/08510-41212 SCREW TAPPING M4 (2) $0.80 USD

120Y

510 Lamp

510 lamp is a different style and bolts into B210, so may fit B110.

• 26410-23101 ASSY-LAMP ROOM USA -0968
• 26410-A0800 ASSY LAMP ROOM SEDAN USA 1068-
  • 26736-89901 BULB 12V 10W
  • 26411-23101 LENS ROOM LAMP

Pickup

Two wires:
- Red: bulb 12V
- Black: earth/ground

521 Lamp

Same as 1200 Pickup. IKI brand.

26400-04100 ASS'Y-LAMP, room
26410-04400 ASS'Y-LAMP, room 
* 26411-04100 LENS
* 26715-89900 BULB (12V 6W)
* 5-10813-1 SCREW-machine (2)

Part Numbers

• 26410-G1000 LAMP ASSY-ROOM -7803 IMASEN
• 26410-04100 LAMP ASSY-ROOM -7803 IKI
• 26410-04400 LAMP ASSY-ROOM 7804- IKI
• 26073-30001 BULB 6W
• 26411-G1000 LENS -7803 IMASEN
• 26411-04100 LENS 7804- IKI
• 08510-41212 SCREW
• 01451-00171 SCREW 8910-

Wiring

The room lamp has one side of the lamp (RL wire) always hot from the L wire of the fuse box. The switch has three positions:

• Off
• Auto (center)
• On

In the auto position, the light is grounded by the Door Switch (BR wire in a-pillar). Usually only the driver's side door has a switch. In the ON position, it is grounded through the ground wire in the headliner.