i have installed a t-max battery controller in my 99 disco, however the display does not work, checked all connections with voltmeter all working. my question is, the solenoid does energize when started, however when i turn the vehicle off the solenoid stays energized... how long should id stay that way before shuuting off? am i better of just putting a manual isolator in instead of the fancy t-max one? Help!!!!!
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