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The ammeter indicates the sum of the energy produced by the alternator (positive) and the amount of energy used by all electrical equipment in use (negative). If the result is positive, your battery is charged, as it should. When it is negative, something is wrong e.g. broken belt, short circuit or some other electrical problem. All these problems need instant rectification, so do not continue driving when your ammeter indicates your battery is being discharged.
Connections are made as follows:
>30 +L from the Alternator
>32 +B to the battery (via the starter motor)
The MMB ammeter is equipped with a load resistor. This load resistor has four connector terminals:
Terminals 1 and 2 are connected with one of the two ring connectors in the wiring harness. These ring connectors are connected using a M5 bolt and nut, which have to be removed. Which of the two rings is connected to what terminal is irrelevant.
The two remaining terminals should be connected to the ammeter. Also, see the schematic diagram that comes with the ammeter for details.
When installing the Burton ammeter, that has the load resistor built in, all that is required is to connect the two ring connectors to the back of the gauge.
Attention! If you do NOT install an ammeter, you have to make sure that the M5 bolt and nut including the two ring connectors are securely insulated. Because of the direct connection to the battery and alternator, there is a constant voltage present. |
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