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Handbrake light on dash


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Recently put one of those lip spoilers with the brake light onto my is200, i took the 2 wires going to the brake light in the back window and connected them to my spoiler under the boot lid, now it shows the brake light on my dash as soon as I brake and it stays on, tried swapping the 2 wires over and still same problem. Anyone have this problem before? 

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I'm assuming it isn't the handbrake warning light but the rear brake bulb failure warning light? It will only come on when you first press the brake as that is the first chance the system has to test itself.

You need to create the same load that the rear mounted light bulb was producing. Either leave the existing light connected up, connect its bulb but hide it so it doesn't look weird that you have two centre lights, or get a load resistor. I believe the centre bulb is 16w, therefore you would need 8 ohm load, you use 6 ohm ones for 21w bulbs.

e.g.

https://www.amazon.co.uk/mxuteuk-Resistors-Signal-Controller-50W-8RJ-2/dp/B08ZRQS2PK

 

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