Got a freelander 2 td4 2007 model. The blower heater is playing up and i am now confused. 1. First the heater only worked on the high speeds. 2. Then stopped working. 3. I tried shorting the circuit, meaning disconnecting the connect to the resistor and connecting the two big wires. That worked...

I have a freelander 2 . 2007 model 2.2 engine td4 hse. Got a new battery but not sure if its the correct one. Can anyone tell what the correct battery amps and cca shoud be .and which is the best one to get please.