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The Water Cooler
General Discussion
Questions for anyone that’s built a boom box Using a car head unit
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<blockquote data-quote="swampratt" data-source="post: 3439364" data-attributes="member: 15054"><p>Yep hook all the hot wires to power supply Positive voltage and hook the chassis ground to the negative side of power supply.</p><p>If there is a negative battery wire hook it to the negative side of the power supply also.</p><p></p><p>Some "Power Supplies" like a Newer car battery charger will not supply any voltage unless is senses a low voltage situation.</p><p></p><p>If you have a car battery laying around or easy acess under the hood I would hook the head unit to it and see if it comes on.</p><p>That is if you get nothing from power supply.</p><p></p><p>Also check inline fuses for good contact.</p><p>If you still get nothing then it is a busted head unit.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3439364, member: 15054"] Yep hook all the hot wires to power supply Positive voltage and hook the chassis ground to the negative side of power supply. If there is a negative battery wire hook it to the negative side of the power supply also. Some "Power Supplies" like a Newer car battery charger will not supply any voltage unless is senses a low voltage situation. If you have a car battery laying around or easy acess under the hood I would hook the head unit to it and see if it comes on. That is if you get nothing from power supply. Also check inline fuses for good contact. If you still get nothing then it is a busted head unit. [/QUOTE]
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