View Full Version : NSBU switch thingy-problem plowing???
Johnny Diesel
11-17-2003, 18:46
I read somewhere that this switch can get iced up and cause a problem when plowing. I think I read that a tan or white one is the color to have also. I don't know where mine is but I will order an extra and be familiar with how to change it if need arises. I really depend on that plow money to help tame my christmas bills. Any plow folks here have a problem with this NSBU switch. I know about plowsite,I just wanted to try a Duramax/Ally source first.
heartbeatcanada
11-17-2003, 19:01
Yes the tan one is suppose to be better. My original went first winter, replacement(tan) went last year. I now keep a spare with me at all times. When i have time i want to make up a half a$$ed sheild to stop the ice and snow from building up near the connection and melting and running into the connection. Best bet is have a spare with you, or you'll be plowing in 3rd gear only, if she goes, and trust me the tranny temps get real hot. Later Jeremy
dmaxalliTech
11-17-2003, 19:02
It mounts on the drivers side of the transmission. The tan switch has better contacts internally and is sealed better from the elements. Its a good idea to replace it with the updated or at least carry a spare. If it goes goofy, you could loose shifting capabilities. Its no fun to plow in 3rd gear
http://thumb6.webshots.com/s/thumb1/8/90/76/55289076kfrneI_th.jpg
Here is a comparison pic of the old (black) vs. new (tan) NSBU switch. More pics of the NSBU SWITCHES HERE (http://community.webshots.com/album/55288748cLgPNd). The Allison Part# 29540479 for the new style switch is on the box in a few of the pictures. IIRC, the switch was about $50 from my Allison dealer.
I'm transferring this topic to the 2500HD/3500 HD Trucks & Drivetrain forum.
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