Remove the cover from the service panel. Mercruiser circuit breaker test so far i have traced the lack of spark to the mercathode area on my 1994 454.
Blue Sea 3117 Sms Surface Mount System Panel Enclosure 2 X 120v Ac 30a Elci Main Consumer Marine Supply
How to test a marine circuit breaker. The button is long and rectangular and will normally be flush with the rest of the breaker. Open the electrical box open the circuit breaker box and locate the switch that corresponds to the area you want. Start your boats engine to ensure that proper power has been restored. A multimeter is a machine that tests the voltage or current through electric components. Td 25c 9079551 2 shipping cost is for the continental united states lower 48 states only. When the breaker is tripped however the button will protrude from the unit.
How to test circuit breakers step 1. It does come as shown in pictures with only parts shown. These testers are available at most home improvement or electronic supply stores. Test the switch determine whether the breaker is in the on or off position. For shipping outside of the continental united states please inquire about shipping cost before bidding. I just replaced a blown in line 20a fuse in the feed line from the positive battery terminal to the terminal on the merctathode but now notice the 50a circuit breaker located below the mercathode appears to be stuck all the way out and will not move or depress.
It is new out of the package with some minor flaws from storage. Turn on your digital multimeter. 12v 100a waterproof marine switch circuit breaker switch battery quick disconnect switch for car suv marine boat accessories click here. Touch one prong to the terminal screw on the breaker and the. Plug the black wire into the port labeled com or common and plug the red wire into the port labeled with the letter v and the horseshoe symbol ω. How to test a circuit breaker with a voltage tester.
This will ensure youre measuring the voltage of the breaker. Press in the reset button on the side of the breaker. This circuit breaker is 30 amp. For more information regarding this item please contact a dealer in your area. Get a voltage tester thats rated for up to 500 volts. If its off flip to the on position.
Gallery of How To Test A Marine Circuit Breaker
