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87 Sub - four-wheel drive light comes on

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by danielzink, Jun 24, 2003.

  1. danielzink

    danielzink Registered Member

    Nov 11, 2002
    Likes Received:
    After driving for about 10 or 20 miles the four-wheel drive light will come on. I've verified that the front driveshaft isn't moving - so it's not engaging the 4wd. If I shut the truck off and restart it - I get another 10- 20 miles until the light comes back on.
    I called a buddy at a trans shop and he said the switch on the transfer case can go bad. Anyone heard of this ?

    Thanks, Dan

    87 suburban
  2. 82K5_6.5L

    82K5_6.5L 1/2 ton status

    Dec 4, 2002
    Likes Received:
    Tucson, Az
    ha, mine does the same thing.. sometimes when im in 2wd the light will come on, and it never comes on when im in 4wd.. but i know im in 4wd cuz i get out and lock the hubs and drop the t-case.. its just a weird chevy thing.. nothing to worry about /forums/images/graemlins/wink.gif

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