7 - 34 Genie Z-45/22 Part No. 32960Service Manual - Second EditionSection 7 - Repair ProceduresGround Controls8-1Control RelaysRelays used for single function switching aresingle pole double throw (SPDT) relays.How to Test a Single Pole DoubleThrow RelayElectrocution hazard. Contact withelectrically charged circuits mayresult in death or serious injury.Remove all rings, watches andother jewelry.1 Label and then disconnect all the wiring fromthe relay to be tested.2 Connect the leads from an ohmmeter orcontinuity tester to each terminal combinationand check for continuity. Terminals 85 to 86represent the coil and should not be tested inany other combination.a terminal no. 87Ab terminal no. 85c terminal no. 30d terminal no. 86e terminal no. 87decabTest Desired resultterminal 85 to 86 85 to 95Ωterminal 87 to 87a & 30 no continuity(infinite Ω)terminal 87a to 30 continuity(zero Ω)3 Connect 12V DC to terminal 85 and a groundwire to terminal 86, then test the followingterminal combinations.Test Desired resultterminal 87a to 87 & 30 no continuity(infinite Ω)terminal 87 to 30 continuity(zero Ω)800-610-4101ActionRental.com