Need more juice

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44070dart

44070dart

How the hell did I get this old..
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right here ...see me I'm waving.. NY
Adding stereo, aftermarket gauges, and lights, think I need an extra fuse block. Can I run a wire from the alternator to the new box and does the box get grounded. Figured I'd check before I burn it down.
 
You'll want to power the auxilliary terminals/fuse block off the battery instead of the alternator, so it has a steady supply of power. If you want the new block to be switched with the ignition, you'll need to employ a relay. Each device that is wired to the new block needs to be grounded, of course. Some blocks will feature a negative terminal or bus that can be attached to ground, and then the devices supplied by the block can also be grounded there. But the block itself does not need ground. I have used a product like this or similar on several auto and motorcycle installations, and it works very well: https://www.amazon.com/gp/product/B000THQ0CQ/?tag=joeychgo-20
 
My fan relay

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Gdub310 said:
You'll want to power the auxilliary terminals/fuse block off the battery instead of the alternator, so it has a steady supply of power. If you want the new block to be switched with the ignition, you'll need to employ a relay. Each device that is wired to the new block needs to be grounded, of course. Some blocks will feature a negative terminal or bus that can be attached to ground, and then the devices supplied by the block can also be grounded there. But the block itself does not need ground. I have used a product like this or similar on several auto and motorcycle installations, and it works very well: https://www.amazon.com/gp/product/B000THQ0CQ/?tag=joeychgo-20
Click to expand...

This is not exactly true if you have a factory wiring setup. This is because the old ammeter wiring is "weak." When you pull off the battery, all the juice while running has to go through the weak / damaged ammeter/ bulkhead circuit.

There is no easy answer. If you are going to run "big" accessories and/or a big alternator, you should spruce up or bypass the bulkhead connector /ammeter.

There are several ways to do this
 
It finally got it ! It took awhile to visualize in my head ( and a FEW pm's) but I have it. Thank gentlemen. I'm a nut and bolt guy, so it took a bit of time. ( It is a pear my 3 year old granddaughter picked up in the yard, she said I had to have it, so I used it.)
 
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