One Source Towing & Repair in East Haven, CT provides 24/7 light and heavy-duty towing, roadside assistance, diesel truck repair, trailer repair, and heavy-duty auto body services. Our ASE-certified technicians specialize in diesel engine diagnostics, transmissions, electrical and A/C systems, suspension, collision repair, load-shift corrections, and trailer roof and sidewall fixes. Locally owned and family-operated, we deliver fast, reliable service across East Haven.