The 2005 GMC Sierra has 24 electrical system complaints filed with NHTSA — 16% of the year's total, and down from the prior model year.
24
Electrical System complaints
16%
Share of year
0
Crash-involved
1
Related recalls
Defect
CERTAIN CEQUENT 90 DEGREE 7-WAY RIGHT ANGLE ADAPTORS SOLD BY DISTRIBUTORS IN TOW PACKAGES FOR AFTERMARKET SALES TO TOW 5TH WHEEL RV TRAVEL TRAILERS. DUE TO INCORRECT WIRING OF THE HARNESS, THE TRAILER LIGHTS MAY NOT OPERATE PROPERLY.
Consequence
IF THE TRAILER LIGHTS ARE NOT WORKING PROPERLY, A VEHICLE CRASH CAN OCCUR.
Remedy
ALL OF THE DEFECTIVE TOW PACKAGES ARE STILL AT THE DISTRIBUTOR LEVEL AND HAVE NOT BEEN SOLD TO ANY CONSUMERS.
“THE BLOWER MOTOR WOULD WORK AND THEN NOT WORK AND WHEN IT WORKED FOR A LONG PERIOD OF TIME, SMOKE WOULD COME OUT FROM UNDER THE PASSENGER DASHBOARD. I REMOVED THE CARDBOARD COVER AND SAW SMOKE FROM THE CONNECTION TO THE BLOWER LOTER AND THE CONNECTION WAS HOT TO THE TOUCH SO I PULLED IT OFF FROM…”
NHTSA has 24 complaints about the 2005 GMC Sierra electrical system — 16% of all complaints filed for that model year.
Yes — 1 NHTSA recall campaign for this model year is tied to the electrical system: 07E066000.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.