Electronic Specialties 190-8 Maxi Relay Adapter for Heavy Duty Testing

The Electronic Specialties 190-8 Maxi Relay Adapter is a professional diagnostic tool designed to extend the testing capabilities of Relay Buddy testers (models 190 and 192). This adapter enables technicians to test heavy-duty 4-pin Maxi relays commonly found in commercial vehicles, heavy equipment, branch power circuits, and cooling fan systems.

Key Features:

• Enables testing of heavy-duty 4-pin Maxi relays
• Compatible with Relay Buddy models 190 and 192
• Simple pass-through design - adapter plugs into Relay Buddy base, relay plugs into adapter top
• Ideal for heavy-duty vehicles, equipment, and high-current applications
• Expands diagnostic coverage for cooling fans and branch power circuits

This adapter is an essential addition for technicians working on commercial trucks, heavy equipment, and industrial applications where Maxi relays are standard components. The pass-through configuration maintains full testing functionality while accommodating the larger Maxi relay form factor.