Home›Repair guides›Hercules›Voltage Drop Test

Hercules G-1600 — Voltage Drop Test

Testing & diagnosis · ignition system

For the Hercules G-1600, from the Hercules service manual.

Procedure

  1. Position the sensor between two trigger wheel teeth.
  2. Connect voltmeter positive lead to battery positive post and negative lead to coil positive terminal.
  3. With ignition switch on, voltmeter should read less than one volt, normally about 1/2 volt.
  4. Flex (wiggle) connections at battery cables, starter solenoid, bulkhead connectors, ammeter terminals, and ignition switch to check for poor circuit conditions.
  5. Correct any poor connection that causes fluctuation or excessive voltmeter indication.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Voltage drop less than one volt, normally about 1/2 volt

Source: Hercules service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More Hercules repair guides →