Brake Light
Dash Brake lamp lights up if there is a problem or if the parking brake is on.
http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/26134.jpg
Brake Stop Lights
Hand Brake Switch
Lamp switch for Hand Brake pull-handle was fitted to USA 1200s, Japan Sunny Truck staring 7510, and is fitted to newer Australia utes.
The switch turns on the warning lamp
Main: Hand Brake#Warning Light
Switch
UTE: switch wire goes up back wall
Brake Fluid Level Warning
Starting around 1976, Brake Master Cylinder caps were fitted with floats and electrical switches to warn of low brake fluid level.
Pressure Loss Switch
A brake check switch is used on North American 1200s to signal if there is a problem with the brake pressure.
See Main Article: Warning_Light_Switch#Wiring
Schematic
The BRAKE dash lamp is always connect to 12V when IGN switch is on. It only lights up when a switch grounds the bulb. A switch is fitted to the hand brake lever. When you pull the lever, it grounds the circuit.
- G: Green wire from IGN fuse to dash cluster lamps
- B: Black wire to main body earth bolt in engine compartment
- Y/G: Yellow wire w/Green stripe, from switch to bulb, grounds the bulb
(Most 1200s don't have the Check/Service Warning Light Switch)
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