Quick brake light query

[dunc_sx]

I'm fitting brake lights to my clubbie, there's already what looks like a pressure switch in the brake line (in the LH sidepod). Is it just a case of wiring either a 12v or earth through the switch and into the brake lights which then completes the circuit when activated?

If so which is it, 12v or earth - or it doesn't matter?

Struggling to get Radical tech guys on the phone so thought I'd try the PH knowledge base!

Cheers,

Dunc.

Edited by dunc_sx on Thursday 27th June 13:23

[Steve57]

Mine has a micro switch fitted on the pedal. not massively reliable mind, i find it can stick on.

[dunc_sx]

That's interesting Steve, so is it +ve from the dash power (for example), into the switch then out to the lights - then just a negative from the other wire from the lights?

Cheers,

Dunc.

[SportsLibre]

Steve57 said:

Mine has a micro switch fitted on the pedal. not massively reliable mind, i find it can stick on.

Ditto, although of course it is no longer connected to a light

[splitpin]

Switch-wise (not the jacks!) this will be what you have Dunc?



I recollect it's a 'broken' live (taken off such as the ignition toggle switch), connection onward being made by the pressure switch activating - neutral and earth is done via the rear bodywork connector.

I have some OEM Prosport/Clubsport lights and indeed an OEM rear (in fact a whole) wiring harness if it'd be of any interest/use.

HTH

Edited by splitpin on Thursday 27th June 19:50

[dunc_sx]

Yes spot on Trev, do you know where the black wire (bottom right) is going? I assume it's just grounded somewhere?

Thanks for the offer but I've done all the lights wiring just that last bit to do, and I know what to do now

Thanks and I hope you're recovering well
Dunc.

[splitpin]

Yes it's an earth; the blue bit just visible right at the bottom of the photo on the black wire is the crimp of the hoop connector bolted sideways onto the chassis bottom rail.

Cheers Dunc

[Martin B]

Mine had the pressure switchin the rear brake line and a micro switch on the pedal. The wiring on the car suited the pressure switch but when I used it earlier this year the brake lights were very inconsistent (when tested at home). I ended up exending the wires to pick up on the micro switch on the pedal. Daft rule though having to have brake lights!

[dunc_sx]

Cheers, I'm not expecting too much from a switch that hasn't been connected in 5 years but worth a try