What causes fuse box to leak on 1981 Harley Davidson Sportster?
Figure 7. The circuit breakers from a 1981 Sportster. On newer model Sportsters with the triangular fuse box side cover, water has been known to leak past the cover and corrode the connections. Some symptoms of water corrosion include hard starting, a drained battery, and relays/switches turning on with the ignition off.
Why do you need a fuse box on a Sportster?
The fuse box contains the protection your Sportster’s electrical system needs to prevent shorts from becoming fires. Fuses purposely serve as the weak link in the circuit, but sometime just blow randomly.
Where are the fuses on a Harley Davidson?
Fuses, relays, and circuits breakers: they’re all circuit protection devices that can be found inside your Sportster’s fuse box, depending on its year. Harley Davidson designs an electrical circuit to withstand only a certain amount of amperage.
What are relays on a Harley Davidson Sportster?
Figure 2. Testing a fuse with a multimeter. Relays are another type of circuit protection device. They use an internal magnetic switch to allow a smaller current to control a larger one. Looking at Figure 3, you can see connections 85 and 86 complete the circuit from the switch ground to the switch.
How to fix a Harley Davidson Softail Sportster?
Style and Performance Upgrades Milwaukee Eight Touring Softail & Dyna Sportster Everyday Hog How-To Fix My Hog Projects M8 Cam Upgrade Cam Chain Tensioner Shoe Cam Gear Drive Conversion Carburetor Rebuild Electrical Systems Handlebars 101
What causes a Harley Davidson to lose all power?
This can be caused by a loose neck or loose spokes (models w/spoke rims). Check your neck and tighten if nessacary. Also, can be caused by a bad wheel bearing. My first thought would be to load test the battery. 10v is low and if it he only gets a clicking when trying to start, that’s one sign of a bad battery.
How much does a FMH Softail Sportster cost?
FMH Apparel COL3 MODEL OF RIDE Softail & Dyna Sportster Touring PRICE Under $25 $25 to $60 Above $60 Shop ShopShop COL1 PRODUCT TYPE DVDs Video Downloads Maintenance Classes Loctite / Tools
Why does my 84 flhtc battery keep draining?
I believe I have a battery drain. Just purchased a new 350 cold crank amps and after a proper initial charge, and run, the next day the battery did not have enough juice to turn over. My 84 FLHTC has the EVO motor, and while it runs and sounds like a dream, starting it has become a issue. Any ideas?