Need a wiring diagram for Troy bilt lawn tractor model #13034

The shift lever has a torsion spring, part 26. See if it is broken.

https://www.jackssmallengines.com/jacks-parts-lookup/manufacturer/troy-bilt/13-lawn-tractors/2005-models/13aj609g766-bronco-2005/drive

It doesn't cut in reverse by design.

Does Troy Bilt riding mower cut in reverse?
In addition to push mowers, Troy-Bilt manufactures riding lawn mowers. Troy-Bilt mowers come with numerous safety features. One of these is the reverse cut-off switch, which people sometimes refer to as the "cut-in-reverse" cut-off switch.

How to Disengage a Troy-Bilt Cut in Reverse Cut Off ' eHow

Inside rear frame (below seat).
https://www.partstree.com/parts/troy-bilt/mowers-lawn-garden-tractor/13av60kg011-troy-bilt-bronco-lawn-tractor-2009/frame-manual-pto/

Give me a model number and I will be able to get you the correct one

Troy Bilt Deck belt Replacement - YouTube

? 11:46
www.youtube.com/watch?v=w3SrErGTyoY

Apr 1, 2014 - Uploaded by Murray Mayhem
I got a good one troy bilt bronco having problems finding the right deck belt for it. I use the model number under the seat but they are too long ..

mtd website should have this diagram

Here is a link.....

Troy Bilt 13AN77KS066 Troy Bilt Pony Lawn Tractor 2013 Wiring Schematic...

If you are going to replace them yourself, you can go to www.jackssmallengines.com and should be able the look up the parts diagram by model # and order then on their web sight.

type in your model number to your search engine. find your model and the diagrams will be there.
hope this helps.

in the wiring harness each wire has a color
mach the colors and you should be ok.