Question about 2004 Harley Davidson FLHR - FLHRI Road King
To check the charging system on your RK, first you need a fully charged battery and a DVOM (Digital Volt Ohm Meter). To check the entire system, connect the red meter lead to the postitive battery post and the black meter lead to the negative post. Put the meter's function selector switch in DC VOLTS, 50 VOLTS OR GREATER. Start the engine and bring it to a high idle. The meter should read between 14.5 and 15.0 volts. It may take a minute for it to max out depending on how "hot" your battery is.
To check the alternator output, follow the wires from your voltage regulator to where they plug into the engine case. Unplug the plug and look inside the engine case side. You'll see two metal pins or sockets down in the plug. These are what we are going to check the voltage on. Since the voltage is AC, there is no need to worry about which meter lead goes on which pin. Put the meter's function selector switch in AC VOLTS, 50 VOLTS OR GREATER. Start the engine and bring it to a high idle. Touch one of the meter leads to each pin down inside the plug. Do not let the meter leads touch the case or each other. Your meter should read at least 30 volts.
If you alternator is putting out at least 30 volts, it's good. If it's putting out at least 30 volts and your voltage at the battery is below 12.5 volts, the regulator is bad.
Posted on Apr 07, 2011
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Posted on Jan 02, 2017
SOURCE: HOW TO CONNECT AMP TO
Did you mean to put in an AMMETER to the electrical circuit. If so please follow the steps.:
1. The ammeter as you know is the reading of the current flow as this is indicated in Amps.
You will need to have an ammeter of about 15/25 Amps deflection for the bike based on the add-on's in the bike.
2. The connection of the ammeter is not required unless you want to see the charge discharge . If the meter can be placed as close to the battery then it would be good enough so that the whole wire of the main circuit is not pulled up and down which can sometimes reduce voltage/current on the circuit.
3.The ammeter is connected in SERIES to the wiring of the main circuit and NOT IN THE STARTER MOTOR circuit. Usually there can be a provision in the auto charging circuit for an ammeter to be placed in series (but I am not sure of this and must be checked in the alternator /charging circuit)
4. All connections must be tightly tagged and connected, insulated and the meter mounted with insulation of the terminals.
I hope these tips will help you.
Posted on Mar 21, 2011
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