Can i test headunit w/just a battery?

[Weeznur32 10+ year member]

The headunit in my boat appears to not be working. Is there anyway I can hook it up directly to the battery to make sure its not a wiring issue?

thanks

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[goingdef 10+ year member]

yep twist the red and yellow together and touch them to the+ and touch the black one to the-

 

[goingdef 10+ year member]

don't forget to turn it on after hooking it to the battery, they usually don't just power up so it may look like it's not working when you initially hook it up.

 

[JoshC 10+ year member]

yep twist the red and yellow together and touch them to the+ and touch the black one to the-

^^^This, if it dosnt come on right away try hitting the power button

 

[blazeplacid 10+ year member]

i usually take a lawn mower battery with me when I buy a headunit or amp for testing

 

[Weeznur32 10+ year member]

alright cool it worked out. turns out the wiring in my boat was bad...who would have thought. Thanks guys