In addition to the MSD unit, I also have a Jacobs Accuvolt FR1500W unit for sale. $300 shipped in the US. Unit sells for about $600 new. Same situation with the Jacobs unit as the MSD ignition amp. The Jacobs unit was installed in my rear passenger bin so it was also protected from the elements.
The Jacobs Accuvolt supplies a constant level/supply of power to your car's electrical components.
http://store.summitracing.com/partde...5&autoview=sku
"These Accu Volt power regulators provide a constant, steady stream of power to your vehicle's electrical system. If you are trying to power high-drain items such as stereo systems, on-board computers, GPS navigation receivers, communication equipment, or other electrical devices, you may want to put one of these in your ride. By supplying between 50 and 1500 watts across an adjustable range of 13.5 to 16.25 V, your electronics will always be running at peak efficiency. These units eliminate spikes, dips, and noise, even if the electrical system should drop as low as 9.5 V."
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