Question about 2006 Ford Expedition
I inherited a Century Marine Deep Cycle battery charger model 87122 w/no manual - as I've never done this before, I want to make sure I use it properly on my dead car battery in a Ford Expedition.
I can find no manual on line for the charger but the basic & most important things I can share with you.
On the charger should be your On & Off switch, possibly 6 volts / 12 volts switch, (you want 12 Volt) some have a meter to show how much amp draw is taking place as it is charging and you'll have to determine that from observation.
MOST important parts: It is best to disconnect the battery you are charging, at least the Negative post. This will speed up the charge process & prevent any mishaps with the electrical system on the vehicle. I prefer the battery completely removed & placed on an insulated material, plastic, wood, rubber, to prevent battery drain by sitting on concrete or the ground.
If you can check the battery first for swelling/cracked case=don't charge! Frozen inside=don't charge! Thaw first. The fumes from batteries charging are explosive & no sparks, or flames should be anywhere near. Upon reinstalling, Negative wire is always last to connect & be sure that everything inside as far as lights & ignition switch are off to prevent excessive sparking when you connect the final cable.
Charging & connecting. I prefer to test unknowns such as the connecting cables to make sure they are what they say they are. You need a multimeter for this but for now, I am expecting they are marked properly for this instruction. You need a Positive clamp , this one usually has Red handles, to connect to the Positive terminal of the battery (marked POS or +) The other cable, generally Black, connects to the Negative terminal (marked NEG or - ) and provides the ground to complete the circuit.
Make sure connections from the charger to the battery are all clean & well attached, then turn ON the charger. This will prevent sparks near the battery. Be sure to turn off the charger once charging is completed, then disconnect the cables from the battery. The unit you are charging with should give you some indication about when you're charged 100%, but these are the basics of charging a low battery. If by chance your charger shuts down on you & stops charging immediately, you either have the terminals reversed, or a shorted battery. good luck
Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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