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You have maxima 2000 it is working just 5 ignition coils and the last is stopped you chacked it but you found the problem with voltage it doesn't feed breakly with the coil so you need answer?
Wiki User
∙ 18y ago
The coils have constant voltage to them, each a branch of 1 or 2 coil power wires. the coil "fires" by alternately grounding and ungrounding the negative terminal of the coil. with the key in the "on" position (engine off) there should be constant power (battery voltage) to the positive terminals of the plugs of every coil. If you attach a test light to the positive coil terminal and probe the negative coil terminal on any of the coil plugs, then crank the motor, you should see the testlight flash. If the light stays on there is a short on the coil ground(bad wiring or the computer is keeping it on). If the light doesn't go on at all, the coil ground is open (broken wire or a driver in the computer burnt). If the light does flash and there is power on the positive side, the coil itself is probably bad.
Wiki User
∙ 18y ago
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