7 way RV plug trailer wiring tester E-Z 2 check lights & brake controller

Description

Stock #
7Test
7 WAY FLAT BLADE SUV & TRUCK
TRAILER WIRING TESTER
FOR RV STYLE PLUG
&
7-way round blade type (flat)
Tester with LED's Display
Works with both the common 7 way trailer plug
used on most SUVs trucks, trailers and RV's.
7 PIN RV STYLE ROUND PLUG CIRCUT TESTER Rondo7PinTester - YouTube
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Check the Trailer plug on your
SUV or
truck!
Ever try to fix your trailer lights only to find a blown fuse on
your vehicle
!
Plug this tester into your trailer plug on your SUV
,
truck
or RV.
Takes the guess work out!
What you receive: 1- 7way tester
This
7
-way and available 4 way flat tester
(see link below)
https://www.ebay.com/itm/231910498308
the 2 of these testers can check all your trailer light circuits on your vehicle.
Confirms you have the 12 volt power supply
(often needed to charge camper batteries or operate interior lights on cargo trailers)
which often blow fuses
Also Checks your Truck Electric Brake Controller!
Note: some newer trucks require a load to test brake controller, this won't load your system.
If the LED lights light up on this plug,
you know it is not the vehicle.
Select the amount you need in check out.
If you were wondering how to decode tester it is as follows:
Location identified looking into your vehicle plug with lid open
LT - Left Turn/Brake  (9 o clock)
TM - Tail/Marker lights  (11 o clock)
RT - Right turn/brake  (3 o clock)
12V - Charge terminal (1 O clock)
BK - Brakes out put  (5 o clock)
BU - Back up lights  (Center pin)
FYI - 7 o clock is ground - Tester will not work if that terminal is not hooked up
See it work
in video!