by Ken kerr
(Lenox twp mi)
I have been trying to put ina new depth finder, but can’t seem to find any power source .... I hooked up the leads to what I thought was and accessory switch but the unit will not power up so I checked and if you take the leads right to the battery terminals the unit powers up fine.... this one has me stumped.... hooked it up the the tach still unit will not power up...... any suggestions