7-Way Wiring for 2000 Chevy Silverado

Question

Question:

Does your 7 way upgrade kit, # HS381-9000, work on a 2000 CHevy Silverado. We have already bought one wiring kit and found it does not work with my truck. Please help me find the right wiring kit. Thanks!!!

asked by: Ken A

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Expert Reply:

If you are looking to install 7-way wiring on your 2000 Silverado you can use part # PK11898 if there is a bundle of wires above your spare tire, or part # 30955 if there is a round plug with a cap on it above the spare. These items complete the factory wiring setup.

If the truck has a working 4-pole harness like # C59496 you can upgrade this to a 7-way using kit # ETBC7. This will use your existing 4-pole wiring and will allow you to add the extra circuits found in the 7-way format. These three additional circuits are for 12V power, trailer brake power and reverse lights. An installation article is linked for the # ETBC7 kit.

The part # HS381-9000 you referenced is a 7-way wiring kit for a trailer rather than for a vehicle. It consists of a junction box to connect the various trailer wiring circuits as well as a male 7-way trailer plug and connectors. Please feel free to tell me more about the wiring that is now present on the truck and I can then tell you what you will need to complete a 7-way setup.

expert reply by: Adam R

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Answer 1

I went out to the warehouse to measure the studs on the junction box that comes with Trailer Wiring 7-Way Upgrade Kit #HS381-9000. The studs are 3/16 inch. The kit does also include the appropriate size nuts as well as 3/16 and 1/4 ring terminals.

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Answer 2

Since your hubs are for 5200-lb axles and you've confirmed that you do have a 3" diameter axle, you'll need the Redline 5 Bolt Flange #4-44-1 . You should know, if you don't already, that brake flanges need to be welded perfectly…

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Answer 3

I'm happy to help. You can use the Trailer Wiring 7-Way Upgrade Kit #HS381-9000 to connect your trailer lighting. You can use the attached diagram to help you with color and function on the trailer side. I recommend using the 12 Gauge Black…

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Answer 4

Trailer Wiring 7-Way Upgrade Kit #HS381-9000 allows a trailer's existing 4-pole, 5-pole or 6-pole wiring to be re-formatted to the 7-way RV standard to match the 7-way socket on your Silverado. The kit includes a male trailer plug and cable,…

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Answer 5

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 6

Since you have a wheelbase/axle spacing of 38 inches the correct hanger kit for slipper springs would be the part #HAP-105-205-01. And then for a 7k trailer axle the u-bolt kit you'd want would be the part #APUBR-8. I attached the diagram to use…

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Answer 7

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 8

The number you provided, "7753400" is a patent number which corelates to the Equalizer for E-Z Flex Suspension part #013-144-03. This is for a single equalizer but if you need the entire kit it's the Dexter E-Z Flex Suspension Kit part…

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Answer 9

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you, but…

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Answer 10

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

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Answer 11

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 12

The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.

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