Automotive Relay Tester

Quickly and accurately tests 4 styles of electro-mechanical relays on most modern cars

• Coil test voltage 9 volts
• Suitable for various applications including relay coil resistance/relay contacts/cyclic testing. (Not suitable for later Ford 4-pin relay)
• Colour coded performance indicator
• Relay coil resistance 20-50 ohms
• Relay contact resistance threshold 200 milliohms