Asked by GuruNVRX6 Oct 21, 2019 at 07:36 PM about the 2007 Chevrolet Trailblazer LT 4WD
Question type: Maintenance & Repair
Lost my low beams a few months ago.
Changed relay 46 and all was good until a
couple of days ago...they suddenly quit on a
dark road...again. This morning they were
working again. Anyone know what would be
causing the relay to go again? Called
dealership and GM...my VIN isn't included in
the recall
ImFlammable answered 4 years ago
Bc parts are trash now days.. those solid state relays are made with circuitry that allows things to be quickly pulsed for reduced current flow and no backwards voltage spikes associated with traditional relays.. mechanical relays however can inly open and close so many times and only so fast
The updated relay that is used to fix the recall issue is part 13506836. It's like $130, not worth it to me. I cleaned the contacts in the fuse box with electrical cleaner, along with pushing the relay in and out a bunch of times. I had the same problem you did after replacing it the first time. Likely the new one will work after the cleaning, but no guarantees. Like the other poster said can be trash depending on brand.
Lost my low beams a few months ago. Changed relay 46 and all was good until a couple of days ago...they suddenly quit on a dark road...again. This morning they were working again. Anyone know what...
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