SW L4-1.9L DOHC VIN 7 (1993)
Fusible Link: Description and Operation
FUSIBLE LINKS
In addition to circuit breakers and fuses, a fusible link is used between the starter and generator to protect the wiring. Like fuses, fusible links are
"one time" protection devices that will melt and create an open circuit.
Not all fusible link open circuits can be detected by observation. Always inspect that there is battery voltage past the fusible link to verify
continuity.
Fusible links are used instead of a fuse in wiring circuits that are not normally fused, such as the ignition circuit. Each fusible link is four wire-gage
sizes smaller than the cable it is designed to protect. Links are marked on the insulation with wire-gage size because the heavy insulation makes the
link appear to be a heavier gage than it actually is. The same wire size fusible link must be used when replacing a blown fusible link.
NOTE: If a fusible link is blown, don't just replace it. The most probable cause of a blown link is an internal generator failure. Verify that there is
no external arcing or shorting of fusible link with other wires and/or components. If no problems are found, replace generator.
