[SIII 109 1980 2.25di] wires to back of master brake cylinder

[xychix]

Hi,

I've found a switch behind my brake pedal that hits the brake lights when braking, also there seems to be some sort of switch/sensor in the back of the master brake cilinder.

Also it occurred to me as if the pedal switch was installed later on (guessed by the mess in the wiring).

Question: is it correct that the brake light switch it at the master cilinder and not behind the pedal (in that case my 109 has been modified and i can discard the thing in the back of the master)

I'm planning on placing a hella up28 pump (aquired one already from an volvo) and was looking for the wire to tap into to steer the relay.

[ejparrott]

There are a variety of places for the brake light switch to be located, all genuine LR. If I remember right, my 109 actually has 3 switches because of the variety of parts that have been used over the years

[xychix]

There are a variety of places for the brake light switch to be located, all genuine LR. If I remember right, my 109 actually has 3 switches because of the variety of parts that have been used over the years

thanks, let me rephrase.

The 2 connectors at the back of the master drum can only be a switch? not something critical for the braking itself ? ie. some power to a valve that releases the vacuum or so?

[ejparrott]

No, LR didn't fit anything like that, the only switches there are to turn lights on and off

[xychix]

No, LR didn't fit anything like that, the only switches there are to turn lights on and off

Thanks, now I can move forward with my Hella UP28 install and bleeding the brakes might help as I now have to kick twice hard before the pedal is really solid.