the ECU on the 99 must be non CALI emissions truck
also
I'm looking for 2x of these brackets in decent condition. some rust ok. They are on the ebrake cable, you have to cut the cable to get them.
<a href="https://imgur.com/8dhxU3F"><img src="https://i.imgur.com/8dhxU3Fl.jpg" title="source: imgur.com" /></a>
I might have one but you'll have to wait a few weeks for it until I swap axles.