Martin Davey: Vehicle Lighting (Task No 12)

Monday, 23 February 2015

Vehicle Lighting (Task No 12) - Monday 16th February 2015

Plan: Gather tools and equipment. Gather vehicle information. Undertake test of all current lighting functions and produce report. Ascertain lighting fuse locations, test and report. Check headlamp alignment and adjust if necessary. Produce report of wiring colours and pin numbers.

Analysis and Report:

Lighting Report

OSF NSF Recommendations

Main Beam OK OK
Dip Beam OK OK
Side OK X Inop. R&R.
Indicator X X 1 x Inop. Replace x 2. Colour Density.
Fog X OK Inop. R&R.
Repeaters X X Colour Density insufficient. R & R

OSR NSR

Side OK OK
Brake OK OK
Indicator OK OK
Reverse OK OK
Fog OK OK
Number Plate OK OK

Battery Condition

Low Charge
12.6V Recommended

Alternator providing 13.48V (Serviceable). Vehicle needs a run out.

Fuse Location & Continuity Checks

20 Amp Main Headlamp Fuse

Lighting Voltage Report

Voltages recorded with engine running. Main Beam: 13.48V Dip Beam: 0.18V
Volt Drop on Earth Return: .05 V (All within parameters).

Wiring Colours

NSF Stated Actual Earth Point

Indicator Blu/Yel Blu/Yel 5/6
Side Pink Pink 5/6
Dip Blu/Yel Blu/Yel 5/6
Main Blu/Ora Grn/Ora 5/6

OSF

Indicator Brn/Yel Brn/Yel 5/6
Side Ora Yel 5/6
Dip Blu/Yel Blu/Yel 5/6
Main Blu/Ora Grn/Ora 5/6

Diagnosis & Repair

Faulty bulbs removed and tested for continuity using multimeter. Infinite continuity recorded. Probed feed wires to bulb holders and activated relevant switches to check wiring continuity. Battery voltages recorded. Replaced required bulbs according to manufacturers specification.

Headlamp Alignment