[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] ====== IH: Electrical System ====== * [[techtalk:ref:elec07|The REFerence Section has simplified wiring diagrams for custom rewiring.]] \\ [[techtalk:ih:elec08#l1984-1985_wiring_issue_-_might_be_dangerous|For L84-85 models, be sure to check the warning of a potential danger at the bottom of this page.]] \\ ====== Ironhead - Stock Wiring Schematic Drawings (created with reference to the OEM manual) ====== **1959-1985 Sportster Main Wiring Diagrams**\\ The drawings below have been created using the factory schematic drawings from the FSMs as reference. They are available here but are not intended to replace the factory drawings. Some parts symbols are generic, may not represent the actual period parts and have been spread out for clarity from the originals. However, the parts are labeled. The drawings are not to scale and parts and wiring are positioned on the drawings for clarity. \\ ===== . ===== \\ ===== 1959-1962 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1959-1962_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 168 used as reference)) \\ ===== 1959-1964 Sportster H ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1959-1964_sportster_h_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 166 used as reference)) \\ ===== 1963-1964 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1963-1964_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 170 used as reference)) \\ ===== 1965 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1965_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 173 used as reference)) \\ ===== 1965-1966 Sportster H ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1965-1966_sportster_h_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 172 used as reference)) \\ ===== 1966 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1966_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 174 used as reference)) \\ ===== 1967 Sportster H ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1967_sportster_h_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 175 used as reference)) \\ ===== 1967-E1969 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1967-e1969_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 176 used as reference)) \\ ===== 1968-E1969 Sportster H ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1968-e1969_sportster_h_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 178 used as reference)) \\ ===== L1969 Sportster H ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:l1969_sportster_h_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 180 used as reference)) \\ ===== L1969 Sportster CH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:l1969_sportster_ch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1957-1969 HD Sportster XL/XLH/XLCH FSM pg 181 used as reference)) \\ ===== . ===== \\ ===== 1970-1971 Sportster XLH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1970-1971_sportster_xlh_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-3 used as reference)) \\ ===== 1970-1971 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1970-1971_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-5 used as reference)) \\ ===== 1972 Sportster XLH - Standard Seat ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1972_sportster_xlh-standard_seat_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-5 used as reference)) \\ ===== 1972 Sportster XLH - Low Seat ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1972_sportster_xlh-low_seat_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-7 used as reference)) \\ ===== 1972 Sportster XLCH - Standard Seat ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1972_sportster_xlch-standard_seat_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-6 used as reference)) \\ ===== 1972 Sportster XLCH - Low Seat ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1972_sportster_xlch-low_seat_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-7 used as reference)) \\ ===== 1973-1974 Sportster XL ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1973-1974_sportster_xl_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-9 used as reference)) \\ ===== 1973-1974 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1973-1974_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-9 used as reference)) \\ ===== 1975-1976 Sportster XL ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1975-1976_sportster_xl_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-11 used as reference)) \\ ===== 1975-1976 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1975-1976_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-11 used as reference)) \\ ===== 1977 Sportster XL ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1977_sportster_xl_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-13 used as reference)) \\ ===== 1977 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1977_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-13 used as reference)) \\ ===== 1978 Sportster XL ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1978_sportster_xl_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-15 used as reference)) \\ ===== 1978 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1978_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1970-1978 HD Sportster XL/XLH/XLCH/XLT FSM pg 5-15 used as reference)) \\ ===== 1979 Sportster XLH/XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1979_sportster_xlh-xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1979 Sportster XLCH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1979_sportster_xlch_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== . ===== \\ ===== 1980 Sportster XLH/XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1980_sportster_xlh-xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1981 Sportster XLH/XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1981_sportster_xlh-xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1982 Sportster XLH/XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1982_sportster_xlh-xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1983-E1984 Sportster XLH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1983-e1984_sportster_xlh_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1983-E1984 Sportster XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1983-e1984_sportster_xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1983-E1984 Sportster XLX ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1983-e1984_sportster_xlx_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== 1983-1984 Sportster XR-1000 ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:1983-1984_sportster_xr-1000_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== L1984-1985 Sportster XLH ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:l1984-1985_sportster_xlh_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== L1984-1985 Sportster XLS ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:l1984-1985_sportster_xls_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ ===== L1984-1985 Sportster XLX ===== |Click on the drawing to enlarge:| {{:common:space100x5px.jpg}}{{:techtalk:ref:elec:l1984-1985_sportster_xlx_wiring_diagram_by_hippysmack.png?direct&800|}} ((drawing by Hippysmack, the 1979-1985 HD Sportster XL/XLH/XLCH/XLT FSM used as reference)) \\ \\ ====== L1984-1985 Wiring Issue - Might Be Dangerous ====== **Note: The L84-85 Wiring Diagrams show an improper connection from the Regulator to the Battery.**\\ The wiring diagram shows an unsafe connection but we have not been able to determine if the actual bikes are wired wrong, matching those wrong wiring diagrams. __So the following information needs to be verified against the actual bike wiring.__ {{:techtalk:ref:elec:l1984-1985_sportster_wiring_warning.jpg?500|}} The Main Circuit Breaker is supposed to protect the wiring from a shorted battery. If the regulator is connected directly to the battery (as shown on the diagrams), not utilizing the main circuit breaker for protection, there is a potentially dangerous situation. If the regulator internally or externally shorts that wire, connected to the battery, to ground, the battery will supply upto 200 amps of current, **__causing the wire to overheat and possibly creating a fire__**. This is what the Main Circuit breaker is to prevent. So, the proper way to connect the output of the voltage regulator to the system is at the output side of the Main Circuit Breaker (typically, on the Silver Stud). The battery would be connected to the input side of the Main Circuit Breaker on the Brass Stud. This is the way earlier & later model wiring diagrams show the connection of the voltage regulator to the circuit breakers. The L84-85 diagrams are the only ones showing this improper, potentially dangerous, wiring. __If you find that your bike is improperly wired, **PLEASE, rewire your bike to make it safe.**__ Be sure the output wire of the voltage regulator is connected to the output side of the Main Circuit Breaker (typically, on the Silver Stud). Because so many bikes (especially the Ironheads) have had the wiring modified (either deliberately or simply by accident while making repairs or modifications) it is hard to find this answer unless you have a truly UNMOLESTED model of those years. For those who don't understand this issue (and its dangers), I can imagine that putting the wiring back improperly (maybe for convenience) was easy to do.?? \\ [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]