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Adapter for Converting 4-Pole Flat Wiring Harness to 7-Way Blade Style  

Question:

i have a 2002 ford e 450 motor home It currently has a flat 4 wire connection at the hitch. Want to convert to standard Rv 7 wire system. Do you have a kit that will fit this?

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Expert Reply:

We offer part # 37185 to convert a 4-pole flat trailer connector to the 7-way RV-style format. This part has a 4-pole plug that matches up to the one currently on your Ford van. Once you plug this adapter in the lighting signals on the 4-pole will be sent to the corresponding pins on the 7-way. I do suggest you use dielectric grease like # LT37534 to protect those contacts from moisture and dirt.

If you want to install the 7-way to allow use of a trailer brake controller like the popular Prodigy P2 # 90885, then instead of the 37185 you will order the # ETBC7 brake controller install kit, which includes the 37185 adapter plus all of the other parts you'll need to complete installation of a 7-way with a trailer brake controller. Please refer to the linked article and video for illustration of the installation of the # ETBC7 kit.

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Adam R

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