Signal lights

Asked by Steelerfan4evr75 Oct 20, 2017 at 02:07 PM about the 1991 GMC Sierra 1500 C1500 Extended Cab Stepside SB

Question type: Maintenance & Repair

When I turn my driver side signal on the
passenger side also blinks when I mash
brakes the passenger side still blinks when
driver side is turned on.. when I turn on
headlights it really gets crazy

1 Answer


problems like this usually indicate multiple shorts in the wiring. especially on a vehicle this old.

Your Answer:

GMC Sierra 1500 Experts

  • #1
  • #2
  • #3
    John Saffrahn
View All

Find great deals from top-rated dealers


Related Models For Sale

Used Ford F-150
81 Great Deals out of 6,379 listings starting at $2,900
Used GMC Yukon
8 Great Deals out of 309 listings starting at $5,499

Used Cars for Sale

2021 GMC Sierra 1500 For Sale
2,580 listings starting at $35,653
2020 GMC Sierra 1500 For Sale
6 Great Deals out of 401 listings starting at $30,995
2019 GMC Sierra 1500 For Sale
8 Great Deals out of 186 listings starting at $32,233
2018 GMC Sierra 1500 For Sale
10 Great Deals out of 374 listings starting at $24,940
2017 GMC Sierra 1500 For Sale
6 Great Deals out of 345 listings starting at $21,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.