SVP Auto Electrician case studies

SVP Auto Electrician · Put your knowledge to work in context.

The Skill Verification Program (SVP) Auto Electrician credential is a trade-level assessment for technicians who diagnose, repair and verify the electrical and electronic systems of cars, light commercial vehicles and similar mobile plant. It suits working auto electricians seeking formal recognition of their skills, experienced mechanics moving into electrical specialisation, and workshop staff who need evidence of competence for employers, recruiters or licensing bodies. The SVP Auto Electrician case studies are 5 cases and about 4,414 words.

Sizing a new work-light circuit on a 24 V tipper

A 24 V tipper truck is in for a work-light installation. The customer wants two 24 V LED work lamps drawing 15 A in total, mounted on the rear chassis cross-member.

800 words, about 4 min 2

Slow cold cranking on a 24 V excavator

An 18-month-old 24 V hydraulic excavator cranks slowly on a 5 °C morning but starts once boosted. Both batteries are 12 V 110 Ah, 800 CCA, in series.

778 words, about 4 min 3

Multiple U-codes and a 121 Ω bus reading

A 2019 heavy truck arrives with the ABS lamp on, the transmission keypad dead and a tachometer that drops to zero. The dash shows U0100 (lost communication with engine ECU), U0121 (lost communication with ABS ECU) and U0155 (lost communication with instrument cluster).

934 words, about 5 min 4

Dull headlamps on a 24 V distribution truck

A 24 V distribution truck has 'dull headlamps'. With the engine off and the batteries at 25.4 V, you measure voltage drops on the left low-beam circuit with the lamp lit: 0.06 V from battery positive to fuse input, 0.05 V across the fuse, 0.09 V from fuse output to relay terminal 30, 0.82 V across the relay contacts (30 to 87), 0.18 V from relay 87 to the lamp connector, 0.35 V from the lamp earth pin to the local body earth point, and 1.10 V from that body earth point to the battery negative post.

846 words, about 4 min 5

Replacing a main battery cable on a 24 V bus, alone

You are alone in the yard on a 32 °C afternoon. The job is to replace the positive cable between the battery pack and the starter isolator on a 24 V bus.

1,056 words, about 5 min