I use Wesley's car wash goop.

Whatever you do, don't use dishwashing liquid! It's too harsh and will strip the wax of yer truck... However, from time to time this is a good thing, just to start fresh before a nice wax job.

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2001 Solar Yellow SE 4x4 V6 5spd
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Modified 2001 SE 6cyl 5spd 4x4 Solar Yellow
-=( Another useless post, brought to you by da 'Phreak! )=-