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Article: Troubleshooting dashboard instruments. (on motorboats)
- Article from:
- Trailer Boats
- Article date:
- October 1, 1993
- Author:
CopyrightCOPYRIGHT 1993 Poole Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Troubleshooting dashboard instruments can mean pain or pleasure, depending on how familiar you are with each of the various instruments and what tools you have to work with. All electrical circuits work on the principle of either voltage, current or resistance. However, unlike a water system, you cannot see voltage, current or resistance in an electrical circuit. To accurately troubleshoot the system, you must be able to measure the values with some degree of accuracy.
Figure 1 is a basic schematic of a typical boat's dashboard. Included are ignition switch, dash lights, navigation and anchor lights, bilge-pump circuit, horn circuit, bilge blower, ammeter and ...