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I bought a 5 way relay last night. I'm just having a hard time figuring out which prong to plug in the trailer reverse wire.
If you have a spdt switch the reverse wire would go to one positive, the constant from the battery would go to the other positive. And the middle attachment would go to the relay switch. Hope that helps.
Holy ! These things are bright, and better yet didn't make me cut holes in my bumper or deal with extra wiring. They simply plugged right in and are blindingly bright.
As mentioned earlier in this thread, I planned to install a pair of LLL 6-gang 18W LED lamps (link) solely intended for utility vs wired to truck backup lights. Completed the job this afternoon and just now took a nighttime picture. Wow, as suspected - much too bright for courteous (even if legal) use while backing - unless under separate switch control.
I chose to tap into aux power cable (inside LH taillight housing cavity) powering Leer triple 12v receptacle using an LLL relay controlled cable plus marine grade Blue Sea (by Carling) SPST switch in 120v electrical outlet box retained by industrial velcro inside the Leer bedcap rail. (wow, record length sentence)
These are LLL lamps bought from lowest seller found online. Also noting there are cheaper alternatives which appear identical as well as one likewise appearing same listed in Hella's online catalog. No clue whether all are identical in LED quality but these are very bright. OK, how bright? Well, they hurt my eyes from across the street... https://www.lifetimeledlights.com/le..._inch_18w_cree
Last edited by DirtDawg; Jan 24, 2015 at 10:50 PM.
! These things are bright, and better yet didn't make me cut holes in my bumper or deal with extra wiring. They simply plugged right in and are blindingly bright.
