Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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If there is a short in the wiring at the steering column to where the multi function switch (high beam lever switch) and ignition switch wiring is shorting out together at the steering column or under the dash where the main 40 way connector is below the steering column this will cause this here.The ignition switch and multi function switch wiring need checked for any shorts or issues and if a fault is found the wiring will need repaired to correct this fault here.
The only other reason I would see is,if there is an after market remote start system installed it may be shorting out with its wiring or its control unit/ecu causing this here needing removed or repaired or the complete after market system replaced.
This will have to be checked into further to locate which component is the cause here for sure and once this has been done then it can be repaired from there.
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