MerCruiser Thunderbolt IV Ignition Amplifier Box 305 5.0L V8 V822 Stamped Camshaft Pre-1972 Models used a different

Pre-1972 Models used a different plug / pin configuration

This was pretty much found on all Bravo Applications (1

7L 200hp 230hp 260hp 305 350 120hp

((BRAVO X THREE)

Exactly what you see in the pictures

MerCruiser Thunderbolt IV Ignition Amplifier Box 305 5.0L V8 V822 Stamped Camshaft Pre-1972 Models used a differentItem Details MerCruiser Thunderbolt IV Breakerless Electronic Timing High Energy Ignition Amplifier Module (V822 Stamp) Good Condition Please Note.. The really the only thing that can happen with these is that THEY ARE WORKING OR THEY ARE NOT. The primary symptom of a bad ignition amplifier is NO SPARK AT ALL. Always make sure you connections are clean & tight while troubleshooting your existing one. Generally Found Mercruiser V8 Models (305 5. 0L)