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Colt 5 (1995-2003, petrol) Colt 4 and 5 (1991-2003) Colt 2 and 3 (1983-1993)

Generator fault diagnostics (Mitsubishi Colt 4)

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Sign of malfunction	Possible reason	Method of elimination
When the ignition is turned on, the charge indicator lamp does not light	The battery is discharged	Charge the battery
	Weak generator ground connection	Check the ground connection contacts, tighten the bolts
	The charge indicator lamp has burned out	Replace the lamp
	The fuse has blown	Replace the ignition and charging system fuse
	Voltage regulator failure	Check or replace the voltage regulator
	There is a break in the wire between the generator, ignition switch and indicator lamp	Check the electrical circuit with a voltmeter
	The connector between the rectifier board and the voltage regulator is disconnected	Remove the generator and replace the connector if necessary
	The brushes do not fit well on the slip ring	Check the ease of movement and length of the brushes
	The generator excitation winding has burned out	Check and replace the anchor if necessary
When the number of revolutions increases, the charge indicator lamp does not go out	Weak V-belt tension	Tighten the V-belt
	The carbon brushes have become unusable	Check or replace brushes
	Regulator defect	Check or replace the voltage regulator
	Broken wire between alternator and voltage regulator	Check the wire and contacts, perhaps replace the cable harness
The charge lamp does not go out when the ignition is turned off	Diode breakdown	Check the diodes, replace the diode board if necessary

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This article was reviewed by: Nikita Romanov

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Colt 4 and 5: Power devices

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Generator — disassembly and assembly
Filling with electrolyte, checking and charging the battery
Maintenance and testing of the battery
General description of the battery

General description of the starter
Starter — removal and installation
Starter Relay — Checking and Replacing
Starter fault diagnostics
Algorithm for troubleshooting the engine starting system (battery-starter-generator)

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