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How Many Volts Should Each Pin of 4-Way Get?


installed a kit for my 2009 Rav-4 years ago from etrailer, and they no longer work, ive checked wiring there was some corrosion which ive fixed in short wire. I guess what would be helpful is knowing what voltage readings should i be getting at the end of each wire?


Expert Reply:

On a 4-way connector such as the T-One Vehicle Wiring Harness # 118412 that fits your 2009 Toyota RAV4 each of the pins - end of the wires - should be getting 12 volts (except for the ground wire, of course).

Since you mentioned corrosion I highly recommend using Dielectric Grease # LT37534 on your connector to help stop any future corrosion. I've added links to a pair of help articles on trailer wiring that you may also find useful.

expert reply by:
Kyle S

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