Contents Wiring diagrams Section: Charging System All sections

Generator: Other Mercury Villager II

Charging System ~127 words

PRELIMINARY CHECKS

  1. Verify battery condition.
  2. Inspect accessory drive belt and tensioner.
  3. Inspect battery junction box fuse No. 9 (10-amp) and fuse No. 28 (140-amp).
  4. Inspect fuse junction panel fuse No. 37 (10-amp)
  5. Check all connections for looseness or corrosion.

Ensure drive belt is in good condition. Replace belt as necessary. If belt is okay, connect charging system load tester and ammeter in accordance with tool manufacturer's instructions. Start engine and run at specified RPM while loading system. Compare readings with GENERATOR OUTPUT SPECIFICATIONS table.

RPMMin. Amperage Output
130035
250092
5000118

GENERATOR OUTPUT SPECIFICATIONS

Connect voltmeter positive lead to B+ terminal on generator and negative lead to ground. Start and run engine at 2000 RPM with no electrical load (all accessories off). Read voltmeter when voltage stabilizes. Voltage should be 14.1-15.1 volts.