Question about 1997 Chevrolet Suburban

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4 Hi light flashing

Anchorage, AK. Conditions-snow and icy roads. 1997 Suburban. Light is flashing on the 4 Hi selector. Lost 4x4 function. Thought it was actuator (plunger) switch, so replace with same. ($124.00) (heat activated) Light still flashes, and still no 4 x4. This all came about after backing out of driveway. No sudden change or event before this happened. Usually leave 4 Hi engaged for most of winter, except if driving on highway and it is in good condition. What it next step???
I do hear the tranfer case engaging.

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  • TrialnErrorK Dec 21, 2008

    Thought, "Thanks for Trying" would give dialogue box to comment. NOT.



    Anyway. In NEUTRAL, I push 4 LOW and you can really hear the actuator kick in inside transfer case, but light still flashes. Going back and forth I hear the actuator working, but light continues to flash in both HIGH or LOW mode. Still not getting four wheel traction.

  • 96chevy Dec 30, 2008

    i tried this tip, but the 4-wheel drive will not engage. the light blinks until i slam the breaks and then the light turns solid. when i start moving again the light begins to flash

  • dragracinmt Jan 03, 2009

    My 1997 k1500 lost 4wd. 4hi light blinks on switch but not engaging. I hear the transfer case engaging and feel it engage driving down road. Replaced actuator in diff, nothing. Got any ideas?

  • caddis316 Mar 25, 2009

    Shotta
    I tried you're solution and unfortunatley it did not work. My 4hi light just blinks. I do not hear my transfer case enaging. Just a blinking light.

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Try this before you do any repairs or sp[end any other money. Make sure that vehicle is on a flat surface. Start vehicle and Push down on brakes while holding brake put vehicle in neutral. Still holding brakes in NEUTRAL, Engage 4x4, it should work. If it doesn't get back to me. Good Luck. If I fixed ya leave me a FIX YA comment

Posted on Dec 20, 2008

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