Certified Ignition Interlock Installer
Serving Nacogdoches County
Electrical Repair & Diagnostics — Ask for Ron
From no-start issues to charging system problems, we diagnose electrical faults correctly and fix them the right way. Ask for Ron — years of hands-on experience building and repairing generators and alternators of any make and model.
Electrical Problems We Diagnose & Repair
We test first — then repair what’s actually needed.
Battery testing, starter circuit checks, ignition/relay issues, and wiring faults.
Alternator output tests, belt/connection checks, voltage drop testing.
Fuses blowing, flickering lights, parasitic draw testing, and electrical diagnosis.
Modern Automotive Electrical Systems — Ask for Ron
Today’s vehicles rely heavily on advanced electronics and computer-controlled systems.
Ron has years of experience diagnosing and repairing today’s complex automotive electrical systems. From charging systems and starting circuits to computer-controlled modules, he can pinpoint the real cause of electrical problems quickly and accurately.
- Alternator and charging system diagnostics
- Starter and starting circuit repair
- Computer and sensor electrical diagnosis
- Battery draw testing and electrical drain detection
- Electrical wiring, fuse, and relay diagnostics
- Lighting, dashboard, and accessory electrical repairs
Certified Ignition Interlock Device Installation
If required by court order, ignition interlock devices must be installed by certified professionals. These devices require a breath test before the vehicle can start, helping ensure compliance with legal requirements.
Professional Auto Repair You Can Trust
From diagnostics and electrical repair to brakes, engine work, suspension, and maintenance — JCR Auto Repair provides honest service, accurate diagnosis, and professional repair.