Top Roof Light Wiring Diagram Ford Truck Technical Drawings And Schematics - Section H - Wiring - 1) the headlamp switches on all 1970 ford vans (except "w" fashions) hire necessary circuit breakers, one 12-amp for the headlight circuit and one 15-amp for auxiliary circuits. Connections to any factor within the circuits managed by way of the headlamp switch will be at the auxiliary circuit breaker, besides connections to the #12 circuit (headlamp hello-beam, inexperienced twine/black stripe), the #thirteen circuit (headlamp low-beam, red twine/black stripe) and the #15 circuit (feed wire to the the dimmer switch, purple twine/yellow stripe. Connections to the 12-thirteen or 15 circuits (headlamp bulb circuits) need to be averted.
Lighting fixtures controlled by means of forestall lamp transfer and turn signal indicator f100 thru f350 trucks are geared up with a mechanical plunger forestall lamp transfer that is installed on the brake pedal arm. This transfer is designed for optimum loads generally much less than the fuses or circuit breaker in the circuit, but enough for ordinary stop lamp masses. The maximum load is 12.5 amps and by no means are masses in extra of this price permissible.
Please examine: maximum of the wiring diagrams posted in this web page are scans of original ford diagrams, no longer aftermarket reproductions. Those have been scanned and posted as very huge documents, to keep their readability. The 1969 diagrams and all others marked with a purple asterisk (*) had been despatched to through 1ec5f5ec77c51a968271b2ca9862907d from numerous assets, so their first-class and/or length won't be as appropriate or as unique, but i nonetheless gratefully renowned those who took the time to ahead them for posting. Finally all diagrams published here could be hi-resolution for less complicated reading.
The feed from introduced lighting to be controlled by means of the headlamp transfer need to be terminated in a male bullet connector and be linked to the lady bullet take-out (brown cord -- 285 circuit) on the left-hand facet of the tool panel harness (close to the emergency brake). If the vehicle has roof marker lighting fixtures, this bullet might be occupied with the aid of the feed from the roof wires. In this example fabricate a "y" jumper to allow each connections to the single connector.
If the full load on both headlamp circuit breaker exceeds the breaker rating, the headlamps or taillamps will cycle on and off indicating the overload. If this takes place, a part of the introduced lighting need to be stressed via a relay, feeding the relay coil from the headlamp switch.