CHARGER CONNECTOR


I use an Accumate 6/12v charger permanently connected to the Box when in the garage but, obviously, not when out on a Run.  So this entails fitting a connector that can be easily disconnected between car and charger.  Firstly, the car end – I have a twin cable wired directly onto the two battery terminals.  This is so I can switch off all the car’s electrics with a master switch to prevent a fire when left but still allow the charger access to the battery.  I have tried several connectors to join the battery wires to the charger’s cable and have come up with one that is small, easy to use and has a locking clip – a “Disconnect Block 2-way” from Motobitz and Halfords.  But the reason for this little article is to prevent you, dear reader, from making the same mistake that I made, entailing a second trip to Halfords as there are no instructions and, to me, construction wasn’t obvious until I got it wrong!
The connector body comes in two halves, obviously, with four little electrical male and female spade parts which are pushed into the connectors’ bodies. But this is a one-way process as each electrical connector has a tang which lodges inside the body once pushed in and can’t be pulled back out if you’ve got it wrong.  And I did!  You can see from the photos that the male spades go into the larger of the two halves and the female spades go into the half with the lever catch on but, as a second check, the shapes of the holes in the two halves are different too.  You can also see I wasn’t taking any chances the second time and made extensive use of a marker pen!  Obviously you have to connect the spades to the ends of your wires first before pushing them home but be careful you get, say, the positive wire straight through from the charger to the battery.  I used Tippex to paint the positive wires from both ends just to be sure. Don’t forget – pushing in the little spades is a non-reversible operation.

David Whetton  DA7C