Battery Testing and Replacement
Auto Electrical Repair — Cheyenne, WY
Wyoming cold is the ultimate battery test — a battery that seemed fine in September will quit at 10 below, because cold weather cuts cranking power at the exact moment the engine needs more of it. Diesels are doubly demanding, running two batteries that must both be healthy; one weak battery quietly drags down and ruins its partner.
TDC load tests batteries and the charging system together, because replacing a battery that's being murdered by a bad alternator or a parasitic draw just schedules the next failure. Replacements are quality batteries with correct cold cranking amps for the engine, terminals cleaned and protected.
What's Included
- Load testing — not just a voltage glance
- Dual-battery diesel testing done as a pair
- Charging system checked with every battery
- Quality batteries with proper CCA for winter
- Terminals cleaned, coated and torqued
Electrical Diagnosis, Step by Step
- Define the symptom
When it happens, what changes it, what else acts up at the same time — electrical faults leave patterns.
- Test the circuit
Voltage, ground and load testing at the component and along the circuit narrows the fault to a segment.
- Find the actual fault
Broken wires, corroded connectors, failed components — confirmed by measurement before repair.
- Repair and verify
Proper wiring repairs (soldered and sealed, not twisted and taped) and the fix verified under real conditions.
Related Electrical Services
Frequently Asked Questions
How much does battery testing & replacement cost at TDC Automotive?
Labor is billed hourly at $125/hr for gas vehicles and $135/hr for diesel, and you'll get findings and an estimate before repair work begins. Call (307) 996-0980 with your year, make and model and Trevor can give you a realistic idea of what's involved.
Do I need an appointment for battery testing & replacement?
Call ahead at (307) 996-0980 — as an owner-operated shop, TDC schedules work so your vehicle gets Trevor's full attention rather than sitting in a lot for a week.
Where is the shop, and what area do you serve?
The shop is at 8407 Aztec Drive in Cheyenne, Wyoming, and serves all of southeast Wyoming plus the Nebraska panhandle and Northern Colorado — customers regularly drive in from Laramie, Wheatland, Torrington, Pine Bluffs, Wellington, Fort Collins and Greeley.