Differences
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techtalk:evo:elec02 [2023/05/14 01:29] ixl2relax [Cleaning Corrosion] |
techtalk:evo:elec02 [2023/10/19 14:50] ixl2relax [Relays] |
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| *If replacing a non-diode relay (original design) with a diode-version, it would be worthwhile double-checking the polarity of the connection to the relay coil to be sure it is compatible with the diode orientation. Where a diode is used, the positive power should reverse bias the diode when normally activated - this allows the bleed off of EMF energy in the reverse direction when the power is removed. | *If replacing a non-diode relay (original design) with a diode-version, it would be worthwhile double-checking the polarity of the connection to the relay coil to be sure it is compatible with the diode orientation. Where a diode is used, the positive power should reverse bias the diode when normally activated - this allows the bleed off of EMF energy in the reverse direction when the power is removed. | ||
| - | *In the diagrams above I have included the standard HD connections polarity, as identified in the HD manuals & wiring diagrams, to allow comparison of that wiring to any proposed alternative relay. It appears to me, that many of the relays that include a diode provide positive power on the (86) contact while HD has wired (1991-1993 & 2010-2013) some of their relays with positive power on the (85) contact. Beware: I have not checked every alternative relay listed in the Sportsterpedia for this issue. | + | *In the diagrams above I have included the standard HD connections polarity, as identified in the HD manuals & wiring diagrams, to allow comparison of that wiring to any proposed alternative relay. It appears to me, that many of the relays that include a diode provide positive power on the (86) contact while HD has wired some of their relays (1991-1993 & 2010-2013) with positive power on the (85) contact. Beware: I have not checked every alternative relay listed in the Sportsterpedia for this issue. |
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