Trending Test Lamp Wiring Diagram Figure 5 - Test Lamp Wiring Diagram

Trending Test Lamp Wiring Diagram Figure 5 - Test Lamp Wiring Diagram
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Figure 5 - Test Lamp Wiring Diagram - Using my electricity probe iii, we will test fuse 26. The check concludes the fuse to be excellent. Next step, lower back probe the gry/red cord at the brake switch. There must be b in this wire always. The energy probe indicates an open circuit. There may be neither power nor floor on this cord. At the same time as pressing the brake pedal, the device is now showing zero volts with continuity to ground. This proves the switch is working and imparting a entire circuit to floor via the bulbs. Now we could use the electricity probe sick to deliver strength to the circuit and have a person confirm if the lighting fixtures are actually illuminated. Confirmation of the lighting proves the trouble is someplace between the fuse and the brake transfer.

I used to be capable of effortlessly verify that the lights did not paintings when the switch become pressed. Subsequent, i retrieved the wiring schematic for the brake light device which found out that the electricity originates with fuse 26 in the integrated energy module and goes without delay to the brake lamp transfer. The energy exits the switch and goes directly to the lamps. The brake lamp switch is used as an input to the front manipulate module.

This vehicle was scheduled with a consumer problem that the brake lighting fixtures did no longer light up. He had already tested the brake fuse and all the bulbs. Moreover he replaced the switch, but the lights still don’t paintings. A person advised him the lighting fixtures have been pc controlled so he determined to deliver it in to the shop for a diagnosis and probable laptop restore.

There have been multiple versions of the strength probe. The unique version has a led that glows crimson to signify power or inexperienced to signify floor. It has a transfer that allows the person to deliver energy or floor to the circuit. The strength probe ii has the equal capabilities with the addition of an audible excessive pitched tone while power is indicated and occasional pitched tone when ground is indicated. It has 2 white led’s at the quit to light up the paintings place. Strength probe unwell has the same functions as the other gadgets but additionally has a voltmeter added. This version makes it convenient for the tech to test a circuit and components via measuring or applying voltage and/or ground.

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