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YNZ Wiring Harness
#559080 Sun Jul 26 2009 05:10 PM
Joined: Apr 2005
Posts: 135
BrianM Offline OP
Shop Shark
Back in May I ordered a completely stock harness from YNZ for my 59, 1/2 ton 235. I recieved it a few weeks ago and began to try to install it this weekend. My question is has anyone else who has purchased a YNZ harness recieved any instructions or diagrams. I was surprised that for over $500.00 there were no instructions. The only thing they provided was a small sheet of paper instructing me to lay out the new harness beside the old to compare. Im sorry but if I had the old harness in good enough shape to take out and compare I wouldn't need the new one.
I have the wiring diagram in the assembley manual but it is very difficult to read. It looks like its been copied 100 times. Is there a better, clearer wiring diagram available.
I will call them tomorrow but was hoping to get more work done today.
Thanks again.
Brian M

Re: YNZ Wiring Harness
BrianM #559109 Sun Jul 26 2009 07:27 PM
Joined: Aug 2005
Posts: 8,872
Global Mod
As a YNZ customer, I think it's an oversight and a phone call would be in order. The harness for my '38 came with a copy of the original wiring diagram, wire by wire instructions AND hand drawn images of the back of the light switch & ammeter showing which terminals get which wires. Let us know how your inquiry goes.

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Re: YNZ Wiring Harness
Tiny #560613 Thu Jul 30 2009 11:51 PM
Joined: Apr 2005
Posts: 135
BrianM Offline OP
Shop Shark
Spoke to YNZ on Monday. They told me that a wiring diagram or instruction sheet does not come with their harness for this truck. They did say they were going to mail a 59 diagram to me. I still have not received.
Anyway I have slowly plodded along trying to figure it out on my own and I have it almost done. (hopefully right) At this point in time the only confusion I have is for the wires to the ammeter on back of dash cluster. There are four prongs on back of ammeter and it looks like I have three wires left, two red. Does anyone know what wires go to what prongs and does this sound right? One looks like a 14 ga red, and one a 12 ga red. The third is a 12 ga black that goes to starter. Any help is once again appreciated

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