Having problems with your 2004 Chevrolet TrailBlazer ?
Low beams inop
\015 High beams work but not low\015
It is the micro relay #46 in the power distribution center under hood driver side common problem
Turned out to be the relay in the fuse block under the hood.
Repair Help & Product Troubleshooting for 2004 Chevrolet TrailBlazer
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