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Recommended Trailer Wiring Harness for a 1998 Ford E-350 Ambulance  

Question:

ok if I install this part is there another harness to convert it from a 4 prong to a 7 prong round plug in?

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Expert Reply:

The only type of trailer wiring harness we have that will work for your 1998 Ford E-350 with a service body is a universal one like the ZCI Circuit Protected Vehicle Wiring Harness part # 119250KIT. This kit will require you to cut and splice into the factory wires on your vehicle but there is no way around this as they do not make a plug-in kit for the service body models. This kit comes with a circuit tester so you can find the correct wires and all of the other parts you need for installation.

If you need help with installation you can reference the attached video.

expert reply by:
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Conner L

Nick

6/14/2018

ok if I install this part is there another harness to convert it from a 4 prong to a 7 prong round plug in?

Conner L.

6/14/2018

Yes, the Adapter 4-Pole to 7-Pole and 4-Pole part # 37185 if the trailer does not have brakes or the 7-Way RV and 4-Way Flat part # ETBC7 if the trailer does have brakes will allow you to convert the Upgraded Heavy Duty ModuLite Circuit Protected Vehicle Wiring Harness part # 119190KIT to a trailer connector with both 4 and 7-way trailer connection points. The part # ETBC7 comes with all of the additional wires and circuit breakers you need to install a brake controller like the Tekonsha Primus IQ Trailer Brake Controller part # TK90160. I have attached an install video on this process for you as well.

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