Harley_Davidson_1942-HD-WLA-Generator-Field-Switch
At a Glance
The Harley-Davidson 1942-HD-WLA-Generator-Field-Switch service manual is a handy reference for owners, restorers, and mechanics working on the generator field switch and related charging parts of a 1942 Harley-Davidson WLA. Manuals like this usually cover how the components work, the electrical connections, inspection steps, and service practices that help keep the motorcycle's original electrical setup intact. It can help with careful maintenance by making clear how the switch interacts with the generator circuit and which conditions mean further testing is needed.
For troubleshooting, an original-era service reference may include wiring details, continuity checks, contact inspection, and guidance on tracking down charging faults or bad connections. It may also provide adjustment instructions, installation details, fastener torque specs, and replacement part numbers where relevant. Check the manual's actual instructions before making adjustments, and make sure any illustrated components match those on your motorcycle—especially if its electrical system was modified during an earlier restoration. The PDF is available for download.