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Halogen Headlamp Conversion and Brake Seal Lube

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Oggie400F:
I'm carrying out a restoration to the front end of my CB400F and: -
1. I want to fit a halogen headlamp conversion. Do I need to fit a relay to prevent circuit overload and if so does anyone have a simple wiring diagram or explanation of how to do this?
2. I am carrying out a complete restoration of the front brake and want to use dot5 silicone based fluid.  Is silicone grease OK to use on the calliper piston O ring for reassembly?
Any help or suggestions would be gratefully received.
Many Thanks

hairygit:
Provided that the high beam filament of the bulb is 60W or less, no need for a relay, standard switchgear will cope fine. Only use clean brake fluid to lubricate the piston seal, not grease.

Sent from my X6pro using Tapatalk

K2-K6:
I don't think that the original halogen conversions used a relay,  but you need too make sure the current switches, wires and connections are in good order to be ok.

Relay if you want to fit is simple.  Supply direct from battery + (fuse inline to be safe)  to input of relay,  output of relay to headlight +,  this is the route direct to bulb and stays open on relay until you put power through the other two terminals from your headlight switch. There's usually a little picture of this on the relay case.

To summarise,  think of the main power to the bulb as a farm gate inside the relay,  the circuit from your handlebar switch just opens and closes the gate to connect the main load without the power going through your Honda circuit.

You'd need two relay to cover both dip and main beam circuits,  but you can use just one supply from battery as only one relay is used at a time normally.

Bryanj:
Charging current is marginal on these bikes so you will need to ride at high revs to stand any chance of charging battery with halogen light.

K2-K6:
Loads of them used them though when contemporary.  Seemed like they one of the most converted ones compared to other bikes.

Some others on here have converted other bulbs to led to reduce demand,  the instruments sidelights, brake light etc.

The 400 is always spinning a fair bit too  ;D

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