Ford Bronco Alternator Charge Wire Diagram - C202 Pin 42 LG/R Wire Test
Wiring diagram showing the C202 firewall connector pin 42 LG/R charge wire routed to the alternator via a weatherpack connector for DVOM testing.
This document is a simplified hand-drawn wiring/test diagram showing the alternator charge wire circuit path for a Ford Bronco. On the left is an illustration of the C202 connector, labeled as the 'Firewall connector/male,' drawn as an oval multi-pin connector with numbered pin positions and a 'TOP' orientation marker. A yellow-highlighted wire path traces from Pin 42 of the C202 connector — labeled 'Pin 42 LG/R wire to alt' — through a 'weatherpack connector' (marked with a red slash at the junction) and continues to the 'Alternator' box at the upper right. The wire is identified as the 'Charge wire LG/R' (light green with red stripe). A 'DVOM' (digital volt-ohm meter) is drawn near the bottom center with thin red test leads connecting to the weatherpack connector area and to a 'Ground' point at the lower right. The diagram appears intended to show how to test the charge wire circuit continuity or voltage between the C202 firewall connector pin 42 and the alternator using a DVOM referenced to ground, with the weatherpack connector shown as a test/break point in the circuit. This is page one of a two-page set (Charge diagram2.jpg is the companion file).
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Frequently asked questions
- What pin on the C202 connector carries the alternator charge wire?
- Pin 42 of the C202 firewall connector (male side) carries the LG/R wire to the alternator.
- What color is the alternator charge wire?
- The charge wire is labeled LG/R (light green/red).
- What connector is in the charge wire path between the firewall and alternator?
- A weatherpack connector is shown in the charge wire path between the C202 connector and the alternator.
- How is the circuit tested according to this diagram?
- A DVOM is shown connected with test leads to the weatherpack connector area and to ground, indicating the charge wire is tested with a meter referenced to ground.
- What is the C202 connector in this diagram?
- The C202 is identified as the firewall connector (male side), a multi-pin oval connector with a 'TOP' orientation marking; pin 42 carries the LG/R charge wire to the alternator.
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