Connecting Your Wires; Obtaining Constant 12V; Finding The 12V Switched; Ignition Wire - Viper 330V Installation Manual

connecting your wires

Now that you have decided where each component will be located, you're going to
find the wires in the car that the security system will be connected to.
I I M M P P O O R R T T A A N N T T ! ! Do not use a 12V test light to find these wires! All testing described in
this manual is described using a digital multimeter.

obtaining constant 12V

We recommend two possible sources for 12V constant: The (+) terminal of the battery,
or the constant supply to the ignition switch. A A l l w w a a y y s s i i n n s s t t a a l l l l a a f f u u s s e e w w i i t t h h i i n n 1 1 2 2 i i n n c c h h e e s s o o f f
t t h h i i s s c c o o n n n n e e c c t t i i o o n n . .
I I M M P P O O R R T T A A N N T T ! ! Do not remove the fuse holder on the red (H1/11) wire. It ensures that
the control module has it's own fuse, of the proper value, regardless of how many
accessories are added to the main power feed.
finding the 12V switched ignition wire
The ignition wire is powered when the key is in the run or start position. This is
because the ignition wire powers the ignition system (spark plugs, coil) as well as the
fuel delivery system (fuel pump, fuel injection computer). Accessory wires, on the other
hand, lose power when the key is in the start position to make more current available
to the starter motor. Use the following procedure to find (+)12V with your multimeter.
© 2005 directed electronics, inc.
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