Parts Needed to Add 7-Way to 1980 Chevy Pickup
Updated 02/03/2026 | Published 07/29/2024
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Question:
I am looking to add trailer wiring to my 1980 Chevy C30 crew cab dually pickup. I would like a 4 flat and a 7 round blade style on the rear and also have the 7 round blade style in the bed for the gooseneck trailer I will be hauling. Can you point me in the right direction for products please? Thank you for your help.
asked by: Jason A
Expert Reply:
Hi Jason,
Sure thing we can get your 1980 Chevy pickup set up with 7-way and 4-way in the back as well as a 7-way for your truck bed. For the rear you will need the T-Connector Vehicle Wiring Harness # C55311 along with the Universal Installation Kit for Trailer Brake Controller # ETBC7.
The T-Connector is the 4-way and plugs into the # ETBC7, which gives you the 7-way and 4-way connectors as well as the rest of the needed wiring. Then to add a 7-way to your truck bed you'll have to go ahead and splice in the 7-Way Pre-Wired Car Connector # 20023.
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Jesse M.
2/3/2026
Hey Jason, how did the wiring setup go on your Chevy pickup with the 7-way and 4-way connectors? It’d be great to hear if the harness and kit worked smoothly for both the rear and bed connections. Your update could make it easier for others working on older trucks.