Jun 25, 2014 · Can someone tell me what the unloader relays do and are they connected with the ignition switch in some way?

Nov 21, 2013 · From my reading online, the k5 and k7 unloader relays control the blower motor and various other things. My issue has something to do grounding on the solenoid. The relay's are fine, …

Jan 14, 2015 · Pretty sure in '01 the fuel pump relay got moved behind the glove box. Unloader relay, rear window defogger relay, and central locking relay. I have 4 relays, 4th is fuel pump. New Sig, per …

Mar 1, 2013 · Picture & amperage & description of every single fuse & relay in the BMW E39 EDIT: Added excellent fuse descriptions from Steve530 from post #4 on 3/3/2012. EDIT: Added cross …

Jul 12, 2017 · I have tried to determine the source of this signal. It energizes one of the unloader relays, K3. Where does it originate?

Aug 17, 2019 · The supply to these are usually controlled by an "Unloader Relay", controlled by terminal 15, which doesn't pick up until the alternator is actually running and producing output.

Feb 4, 2013 · F19 = 5A, (empty) Electronic damper control [QSilver7 says F19 is in-between the ignition switch and an unloader relay terminal 15] F20 = 7.5A, Air conditioner, Heated rear window, Heater, …

Sep 28, 2011 · Rear window defogger relay Central locking relay Unloader relay (arrow below is pointing to it) Fuel pump relay <== only in older E39

Mar 1, 2008 · EF5 = 30A, Unloader relay, power to coils (some say it's 30A - Fuel injector relay) Given the symmetry, my question has always been which end is EF1? Click to expand... Have you actually …

Feb 5, 2013 · F19 = 5A, (empty) Electronic damper control [QSilver7 says F19 is in-between the ignition switch and an unloader relay terminal 15] F20 = 7.5A, Air conditioner, Heated rear window, Heater, …