[Shop-talk] keeping the smoke in----fuse selection for a circuit

[Randall]

I would seriously consider a 20 amp circuit breaker instead of a fuse.

Perhaps they aren’t all that way, but on my cars with power seats, you can run 2 or 3 of the motors at the same time.  Tilt, for example, runs the front motor up and the rear motor down.

-- Randall

From: john niolon via Shop-talk
Sent: Tuesday, November 5, 2019 4:44 PM
To: shop-talk
Subject: [Shop-talk] keeping the smoke in----fuse selection for a circuit

I’m wiring for my power seats in my truck project. My wiring harness didn't include this circuit so I'm coming off a battery termination point. Thinking about fusing each seat. The internal wiring is 14 ga and doing a amp check I read from 3-6 amps with any of the 3 motors (tilt/raise/for-back) running and around 12 amps when you hit the stops and the motor stalls. I know 14 ga is good for 18-20 amps but I'm trying to decide how much to fuse it.. I wanna keep the smoke inside but don't want to fuse too high.... would you consider a percentage over stall amp draw or running amp draw..... and what safety factor ??  I should already know this at my age...


john
 

https://jniolon.classicpickup.com/

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