Quote:
Originally Posted by gggplaya
Hate to burst your bubble and understanding on vehicle electrical systems. But that's not accurate. Yellow top batteries are simply deep discharge batteries, nothing else special about them. If you are running a plow at a high duty cycle(in a small lot, constantly moving it up and down), as well as extra lights(roof lights are legal in PA when there is a declared state of emergency), or if you run a bunch of lights as a service trucks, then a yellow top will simply discharge and the alternators will have trouble keeping it charged. Yellow top is meant for deep cycle situations where you'll keep the vehicle turned off, but still need juice to keep electronics going. It's not meant to supplement a vehicle with an undersized alternator. NO battery or capacitor can do that except in very specific situations where you're just near the limit of the alternator. Even then, running your alternator like that will cause a failure.
The main reason for a dual alternator kit is for people that run high electrical loads often like people with plow's and lights. While one alternator will suffice for the load, having dual alternators splits the load in half, which in turn lowers the temperatures in each alternator. They'll simply last much much longer, and if one fails, you'll still have one alternator to keep you on the road until you can replace it.
For the OP, Dual alternators make sense but not in your situation. You are limited by the trailer plug, which is like 30-40amps.
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Well you did not burst my bubble. You just make me laugh because you don't know what you are talking about.
I have delt with lots of plow trucks over the years. And guess what having a HD truck with high output alternator will charger two batterys with no issues and will run all lights and the pumps for a snow plow.
Yellow top batterys will hold more power in them so while the truck is running the alternator will charge the battery. The amount of current draw will be pulled from the battery. Wait for it. So yes having a yellow top will hold and get replaced faster than a standard car battery. This is why two alternators are not needed in this day and age.
This is why in the car audio world we ran multiple batterys and guess what we could go down to one high output alternator. Because guess what a car running 10,000 watts of power and doing a 170db bass bump will pull more power than any snow plow ever will.
And guess what the new age snow plows are more current frendly then the were 15 years ago. And many newer cars are using led bulbs in them for lighting including snow plows. Why do we use led bulbs.
Ok here is the help for you LED bulbs use less current than a standard light bulb which in turn does what. That's right uses less power.
Hope this helps you understand what a new vehicle is built like and why there is new and better batterys used in cars today that long time back. And yellow top is not a deep cycle battery. The blue top is a deep cycle. My buddy's tow truck fleet installed yellow tops in there tow trucks and 4 years later they are going strong with no issues.
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