Can you find a fault that only happens sometimes?

Often, though it takes longer and we say so before starting. An intermittent is traced by wiggle testing connectors, measuring voltage drop under load and sometimes leaving a recorder on the circuit to catch it in the act. Guessing at parts on an intermittent is how people spend a lot for nothing.

What is a parasitic draw and how do you find one?

It is something still pulling current after the vehicle is locked and the modules have gone to sleep. We measure the current with the car settled, pull fuses one at a time to isolate the circuit, then the component on it. Added stereos, alarms and trailer wiring are frequent culprits.

Is a damaged wiring harness repaired or replaced?

Repaired, in almost every case. A full harness is expensive and enormously labor intensive to fit, while most faults live at a connector, a ground point or one chafed section. We repair with the correct terminals and sealed joints rather than twisting wires together and wrapping them in tape.

Half my dashboard lights came on at once. Is that several faults?

Usually it is one cause wearing many faces. A failing ground, low system voltage or a single module that has dropped off the vehicle network will light up a great deal of the dash. We scan every module rather than the engine alone, because the pattern points at the common cause.

Riverton, Utah

Electrical System Service in Riverton

3311 W 12600 S, Riverton, UT 84065

Book Appointment (801) 302-5935

McNeil's Auto Care at 3311 West 12600 South in Riverton, service bays open beneath the NAPA AutoCare sign

Electrical System Service at our Riverton shop

The electrical system sits behind everything from starting the engine to the headlights, wipers and the screen in the dash, and when it misbehaves the symptom is rarely where the fault is. At McNeil's Auto Care in Riverton we trace the circuit rather than replacing the component that happened to stop working.

An inspection covers the battery, alternator, starter, wiring harness, grounds and fuse box, looking for corrosion, chafing and loose connections. A battery that keeps going flat is often a charging or parasitic draw problem, and replacing the battery on its own just restarts the clock on the same fault.

Riverton is EV certified with hybrid work in house, which matters because these vehicles carry two electrical systems: a conventional twelve volt side and a high voltage side that needs its own training and equipment. Both are handled here rather than split between two shops.

You get the diagnosis and a price before any repair starts, and nothing is authorized until you approve it. Riverton runs five service bays with loaner vehicles and a local shuttle, so an intermittent fault that needs time to reproduce does not leave you without transport.

Questions

Electrical System Service in Riverton, answered

Can you find a fault that only happens sometimes?: Often, though it takes longer and we say so before starting. An intermittent is traced by wiggle testing connectors, measuring voltage drop under load and sometimes leaving a recorder on the circuit to catch it in the act. Guessing at parts on an intermittent is how people spend a lot for nothing.
What is a parasitic draw and how do you find one?: It is something still pulling current after the vehicle is locked and the modules have gone to sleep. We measure the current with the car settled, pull fuses one at a time to isolate the circuit, then the component on it. Added stereos, alarms and trailer wiring are frequent culprits.
Is a damaged wiring harness repaired or replaced?: Repaired, in almost every case. A full harness is expensive and enormously labor intensive to fit, while most faults live at a connector, a ground point or one chafed section. We repair with the correct terminals and sealed joints rather than twisting wires together and wrapping them in tape.
Half my dashboard lights came on at once. Is that several faults?: Usually it is one cause wearing many faces. A failing ground, low system voltage or a single module that has dropped off the vehicle network will light up a great deal of the dash. We scan every module rather than the engine alone, because the pattern points at the common cause.

Speak to the Riverton shop

(801) 302-5935