How does a headlight relay work on a BMW?
The headlight relay did not bypass all the current at the bars switch ….the headlights still had power from that switch, and not some headlight relay coil function from that switch. BMW never fixed that, or even tried to, until it changed the wiring (fully on the R100GS) with a load relay function.
What are the letters on a / 6 headlight switch?
[Emphasis on the various wiring designs for the headlight switch and headlight relay starting with early /6 models. Minor amount about the /5 models] As a convention, I use BOLD CAPITAL LETTERS to indicate a solid wire color and use the same color for the letters.
When does the headlight switch off during cranking?
The stock headlight relay from 1978 also does notswitch between high or low beams. The relay switches the headlight off during cranking, and that’s all.
Is there a way to turn off the headlight?
The headlight relay may or may not turn off the headlight, during engine cranking, depending on year, model, & country shipped-to. On some Airheads, the high beam flasher button (‘passing lamp’ function) MAY be available with the ignition off.
The headlight relay did not bypass all the current at the bars switch ….the headlights still had power from that switch, and not some headlight relay coil function from that switch. BMW never fixed that, or even tried to, until it changed the wiring (fully on the R100GS) with a load relay function.
What kind of headlight does a BMW motorcycle need?
Fits any BMW motorcycle that is equipped with the BOSCH #1 305 504 944 Headlight (7.5 inch diameter lens). 12V DC REQUIRED R1200C, R1200C Indep. Headlight and adapter only, does not replace the factory bucket or ring.
[Emphasis on the various wiring designs for the headlight switch and headlight relay starting with early /6 models. Minor amount about the /5 models] As a convention, I use BOLD CAPITAL LETTERS to indicate a solid wire color and use the same color for the letters.
The stock headlight relay from 1978 also does notswitch between high or low beams. The relay switches the headlight off during cranking, and that’s all.