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<blockquote data-quote="HCCA" data-source="post: 6621275" data-attributes="member: 571196">Sorry, my bad...typo. I meant the turn-on lead from the HU FOR the amps. There are four terminal lugs, on the relay. Just run your turn-on lead from the HU, to the input terminal of the relay(12V on/off). Run 12V constant to the relay(12V IN), and run a ground wire(GND). Then you can run a single lead to a fused distro block (if you need to get that fancy). I just crimped the two fan +leads, and the three amp leads to a larger crimp terminal. All supplied by the 12V OUT side of the relay.30 amp should be sufficient for the average operation. Each fan should be considered a 5 amp draw, and each remote turn on should be considered a 3 amp draw. This is more for just rule of thumb safety, than actual measurements. If you have 7 amps, 5 fans, 4 signal processors, and more...then, you should consider using a couple/maybe...three relays. Otherwise, a single relay of 30 amps should be fine.</blockquote>

[QUOTE="HCCA, post: 6621275, member: 571196"] Sorry, my bad...typo. I meant the turn-on lead from the HU [I]FOR[/I] the amps. There are four terminal lugs, on the relay. Just run your turn-on lead from the HU, to the input terminal of the relay(12V on/off). Run 12V constant to the relay(12V IN), and run a ground wire(GND). Then you can run a single lead to a fused distro block (if you need to get that fancy). I just crimped the two fan +leads, and the three amp leads to a larger crimp terminal. All supplied by the 12V OUT side of the relay. 30 amp should be sufficient for the average operation. Each fan should be considered a 5 amp draw, and each remote turn on should be considered a 3 amp draw. This is more for just rule of thumb safety, than actual measurements. If you have 7 amps, 5 fans, 4 signal processors, and more...then, you should consider using a couple/maybe...three relays. Otherwise, a single relay of 30 amps should be fine. [/QUOTE]

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