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<blockquote data-quote="shizzzon" data-source="post: 8618066" data-attributes="member: 590338">Besides adding more insulation to your car to trap heat when the heater is on, then it&#039;s time to spend some money and get ingenious.Since you have a remote start, here we go.Go online and purchase a Battery warming wrap or blanket.&nbsp; Something small enough so you can pull your headunit out and wrap the chassis with the battery warmer.If the battery warmer requires anything AC, then purchase a small 12vDC to whatever volt AC (does not require true RMS) that is powerful enough to run the battery warmer.Purchase 1-2 40A relays depending on the current draw of the converter.&nbsp; Assume 40a relay only does 20a continuous.Wire relay(s) directly to battery and your Sensing wire will go to the ignition wire (preferred).Once on, the battery warmer will start to heat the chassis.IF you have at least 2 batteries in the car, i can suggest connecting the sensing wire to an AUX output trigger on the remote starter brain if yours has one so you can preheat the headunit before the car starts but i wouldnt suggest doing this with just 1 battery.When you are in the vehicle, there are 2 ways to go about disabling the battery warmer.You can either ALSO install a thermal relay to shut off at a preprogrammed temp set point once it gets hot enough OR, the more inconvenient method, is to put a switch on the sending wire of the relay so you can manually shut it off but if you do it this way, you will have to flip the switch on after you shut off the car everytime so do not forget.. this is why i do not like this method.</blockquote>

[QUOTE="shizzzon, post: 8618066, member: 590338"] Besides adding more insulation to your car to trap heat when the heater is on, then it's time to spend some money and get ingenious. Since you have a remote start, here we go. Go online and purchase a Battery warming wrap or blanket. Something small enough so you can pull your headunit out and wrap the chassis with the battery warmer. If the battery warmer requires anything AC, then purchase a small 12vDC to whatever volt AC (does not require true RMS) that is powerful enough to run the battery warmer. Purchase 1-2 40A relays depending on the current draw of the converter. Assume 40a relay only does 20a continuous. Wire relay(s) directly to battery and your Sensing wire will go to the ignition wire (preferred). Once on, the battery warmer will start to heat the chassis. IF you have at least 2 batteries in the car, i can suggest connecting the sensing wire to an AUX output trigger on the remote starter brain if yours has one so you can preheat the headunit before the car starts but i wouldnt suggest doing this with just 1 battery. When you are in the vehicle, there are 2 ways to go about disabling the battery warmer. You can either ALSO install a thermal relay to shut off at a preprogrammed temp set point once it gets hot enough OR, the more inconvenient method, is to put a switch on the sending wire of the relay so you can manually shut it off but if you do it this way, you will have to flip the switch on after you shut off the car everytime so do not forget.. this is why i do not like this method. [/QUOTE]

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