Is it a circuit problem or a relay problem?
Relay Fuse Buddy can help diagnose the case
Features:
- In-circuit bypass switch controls power downstream of the relay
- Displays live circuit current - 20 Amps continuous - 30 Amps momentary
- Turn on and off DC motors, fuel injectors, and fuel pumps and see the amp draw
- Enhances your circuit & relay test capabilities
- Wide coverage - includes adapters for 6 different relays
Specifications:
- Operating range: 20 Amps continuous - 30 Amps momentary
- For 12 and 24-volt applications
- Resolution: 0.1 Amps