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02 Tundra Tow Package - Need Part #'s

7.5K views 4 replies 3 participants last post by  kmnib  
#1 ·
Would anyone be able to give me the part numbers for all the wiring needed for the tow package on an '02 tundra?
When I bought my '02 it had an aftermarket hitch & connector that used the connector for the driver's side brake light. The hitch rusted out and the connector burned up on its own one day (not while in towing). So I pulled a factory hitch that's in good condition from the junk yard, but I wasn't so lucky with the wiring. So I know there's a piece that connects to the battery and another piece that connects to an existing plug that's attached to the bed back near the hitch. Would anyone be able to give me the part numbers for those (and any other parts that might be needed)?
I did find this thread from 2003:
http://www.tundrasolutions.com/forums/towing/22391-02-tundra-hitch-wiring-kit-part/
It these parts:
Fuse box Assy. Trailer - Toyota Genuine Part # 08922-0C810 .................Tundra 02'
Hitch Kit w/Converter - Toyota Genuine Part # 08921-08C81 .................Tundra 02'
But, I can't find the HItch Kit w/Converter on any of the Toyota parts sites I use. So I'm wondering if there's an updated part number I should be looking for, and if there are any other parts I'll need.

Thanks for any help!
 
#2 ·
You're right, there is a good chance those are old numbers. There was a TSB for the 00-02's hitch wiring. They switched suppliers and design.
TSB is attached below:

View attachment TSB – AX006-02 2000-2002 Tundra Trailer Wire Harness.pdf

PLEASE post back with what you find out, and how everything goes. I have an '00 with the factory tow package, and will probably be looking at replacing the harness with the post-TSB one.
 
#3 ·
Thank you Stone_Blue. That TSB helps quite a bit, and it helped me find a site that actually had the part number for the 4-pin wiring harness. Here's what I'm seeing so far:
CONVERTER W/BRACKET P/N: 81985–35060
4 PIN WIRE HARNESS old P/N: 08921-0C820 New P/N: 08921-34850
Found both out the door for $130, I'm going to go ahead and order them and I'll report back once I get everything installed.
Thanks again!
 
#4 ·
I got the parts I ordered, but I haven't had a chance to install them yet. But I have a question, does anyone have any idea what this "CONVERTER W/BRACKET P/N: 81985–35060" actually is? I looked all around my truck and I think it plugs into a wire harness that's plugged into a sort of terminating plug near the back tail light. I think I do need the part, but I have no idea where the bracket would attach. Here's a pic, any help is appreciated!
 

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