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Engine causing new LED lights to flicker
Elmitchell57	#1  Posted on 02/10/20 - 5:41 PM
Member Posts: 2 Comments: 0 Joined: 02/10/20	No other lighting or any electronics is affected, but my new LED cabin lights flicker when engine is stared. How do I stop that from happening?
Joe Kriz	#2  Posted on 02/10/20 - 5:54 PM
Site Owner Personal Page Personal Album Photo Albums Project Albums Posts: 11434 Comments: 452 Joined: 03/18/05	What kind of boat and size? Year also may help. Please try and follow the guidelines at the top of every page.
butchdavis	#3  Posted on 02/11/20 - 6:30 AM
Member Posts: 829 Comments: 0 Joined: 11/22/11	Check your battery condition and the condition of the battery cable connections at the battery and the engine. It's possible a weak battery or poor battery connection causes a low voltage condition when the engine is started. Butch
biggiefl	#4  Posted on 02/11/20 - 7:50 AM
Member Posts: 890 Comments: 4 Joined: 05/08/06	"but my new LED cabin lights flicker when engine is stared" Easy....Don't stare at the engine ;) What engine would be a real plus. Most DFI's require a lot of battery at low speeds and start up which could be your problem. 24 Whalers so far....
GulfCoast7013	#5  Posted on 02/11/20 - 7:02 PM
Member Posts: 1 Comments: 0 Joined: 02/11/20	Adding a relay or bigger wire might fix it... Usually flickering or flashing led's are low voltage condition. Don't forget to factor in the return trip of the wire to the switch when calculating your voltage drop.
gchuba	#6  Posted on 02/16/20 - 6:15 PM
Member Posts: 1675 Comments: 0 Joined: 03/31/13	The flickering might be caused by spiking/transient voltage by the starter. The starter can back lash up to a couple thousand volts momentarily through you boat. What type of boat (you mentioned cabin lights) so I guess you might have at least a couple batteries. One battery should be designated strictly as a starting battery. If solo battery you might put in a mechanical switch to severe he battery connection to all the house boat functions when boat starting. That spiking can toast the electronics. If multi batteries, look into the Blue Sea Battery Isolation Switches.