The Smart RVer tries to have the right tool for the job! Sometimes it isn’t always possible to do so and that is understood. This 12 volt relay tester is an ideal product to have in your too box. Eric recommends the less expensive models if you are not a professional who would need on daily. If you spend 20 to 30 bucks you are good. You might be able to find one for a few bucks cheaper as well. These are all over the internet, take your pick from the website of your choice.
CNBJ-707 is a fast test tool to test automotive relays, so that you know the status of automotive relays. Through the continuous automobile battery (11V-15V) to the relay coil, the detector can properly check the relay contact function. The tester observes contact data, closure time, relay inertia at each test stage, etc. If the test is qualified, the green light will be on, and if the test is not qualified, the red light will be on.
Features:
This tester is designed to test the condition of your car relay.
Test to properly control the opening and closing of the relay.
If the relay is abnormal the red LED will light, it’s normal the green LED will light.
Provides a convenient and intuitive diagnostic way, time-saving and economical.
Small size, compact structure, easy to carry, you can test anywhere as you want.
Note: Car battery, the voltage be between 11-15V. The coil resistance is preferably at least 20 ohms
Specification:
Voltage:
Material: & Metal
Color: Black & Red
Item Size: 12 * 6 * 2.5cm / 4.72 * 2.36 * 0.98in
Item Weight: 180g / 6.35oz
Package Size: 15 * 8 * 5cm / 5.91 * 3.15 * 1.97in
Package Weight: 200g / 7.05oz
This tester is designed to test the condition of your car relay.
Test to properly control the opening and closing of the relay.
If the relay is abnormal the red LED will light, it’s normal the green LED will light.
Provides a convenient and intuitive diagnostic way, time-saving and economical.
Small size, compact structure, easy to carry, you can test anywhere as you want.
This description is from Amazon and not The Smart RVer.