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    1999 Yukon brake light adventures.

    When I got the 1999 GMC Yukon 5.7 V8 2wd, the tail lights wouldn't light until I changed the turn signal switch. Then suddenly they worked. Only about a month or two later they stopped working again. All lights but the brake lights come on. Tail light boards? If not, what else?
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    Momentary power loss at 94MPH? (1999 5.7 2wd)

    I was driving on a level 'track' of sorts to test the speed of the 1999 GMC Yukon 5.7 v8 2wd. It got to 94MPH and then suddenly all loss of power. I was afraid I'd blown a timing belt, then when I re-applied some gas, it was still started and everything worked as normal. Is this the normal...
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    What trans fluid and how much for the 99 Yukon SLE 5.7?

    Just got this truck but it didn't come with a manual or anything. Have any idea? Also, where is the trans drain plug? Thanks.
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    Alarm armed. No sound when door open.

    Well the dome lights are probably burned out because two of the side door lights do still come on when side doors are opened. Also, OEM radio no longer operates when key removed whether door opened or not. I guess this one never had the alarm installed. I'm hesitant to have an alarm installed...
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    Alarm armed. No sound when door open.

    I take it a 'Tech2' is a computer device? Can anyone use one or do you have to be a GM employee? Is one expensive?
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    Headlights problem?

    Cousin gave me a 99 Yukon. At night, with headlights switch adjusted to 'on', either the inner or outer headlights are on. (don't remember which) Then, when I pull back on the turn signal switch to go to high beams I suddenly can't see the road, but I can see some dim lights left and right of...
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    Alarm armed. No sound when door open.

    Would the absence of an electronic device inside the front seats console confirm that it doesn't have one? It is the SLE Yukon model, whatever that means. Since the basic equipment is already installed, would putting a cheapo DEI alarm in it be easy enough to do myself?
  8. S

    Alarm armed. No sound when door open.

    Cousin gave me a 99 Yukon. Key fob locks/unlocks doors. Even beeps horn once indicating it's armed the second time you press lock on the fob. However, open any door and no alarm sounds. No headlights/lights/security lights come on or flash either when arming, when armed, or when opening doors...

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