Dometic 2597 manual Alternator installed

Battery-Powered Systems Installation Guidelines

Installing the Alternator

Follow the instruction manual included with the alternator/regulator. Here are a few additional tips.

The new alternator should directly replace the existing one (Fig. 6) (i.e., pad mount or J180 mount). If not, you need to request the correct model.

The alternator amp rating is based on the number of batteries in your system and may be different on different applications.

You will have to reuse the alternator pulley.

Alternator power wiring may have to be upsized or paralleled with an additional cable if the OEM cable size is not able to conduct the required current. Refer to the alternator literature for guidance.

The negative cable must be attached to the negative terminal on the alternator and the negative terminal on a battery. It must not go just to chassis ground.

Secondary chafe protection (wire loom) is recommended on AT LEAST the positive conductor. It is also recommended that chafe protection be placed in chafe-prone areas on the negative wire.

If you make your own cables, either crimp the end on the cable with the correct tool or solder it on. There are cable ends available with the solder already in the end. Either way, it is suggested that the connection be covered with heavy-duty heat shrink. This helps to prevent corrosives from being wicked up into the copper strands where they can cause hidden corrosion.

Make double sure that all connections are tight, as loose connections can cause the regulator not to work correctly.

Figure 6 – Alternator installed

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