There is a draw somewhere. Places to look .... glove box light, under hood light to see if they go off when they're supposed to. Hook up an ammeter between the + post of the battery and the + cable. start pulling fuses one at a time while watching the meter until you find which fuse stopped the draw.
SOURCE: battery removal on a 2004 GMC Envoy
The battery is on the right side behind the fuse box. You need a metric set to undo the 3 screws. Theres one that attaches to the body, one to the bar that goes along the top, and theres one on the left side below the vacuum hose and air induction. After you've taken out those three, you should lift the whole thing out(battery and shroud) together. It's hard to take the shroud off before you lift the battery out. After that, you have to pry the shoud off the battery. The two terminals in the back make it hard. Then just go to any auto parts store and they'll give you a new one.
SOURCE: My 2004, GMC Envoy would not start!
loose battery connection, or you left your lights or something else on then you got your jump. on the drive home the battery had a chance to charge enough to start up 10 hours later.
SOURCE: changed the battery. When riding
WHEN EVER YOU DISCONNECT THE BATTERY.THE PCM WILL LOSE IT MEMORY PCM HAS TO RELEARN IDLE POSITION.SOME TIMES DRIVE AROUND BLOCK FEW TIMES CAR WILL RELEARN TO IDLE.IF NOT GO TO DEALERSHIP.THEY WILL RESET IDLE.USING A T ECH 2 SCANNER.THEY PROBABLY CHARGE YOU $35.00 OR LITTLE MORE.
SOURCE: 2004 gmc envoy turns over
Check your ground connections, make sure they are clean and tight. any loose or poor connection,
will cause this to happen.good luck!
SOURCE: replaced battery on 2002 gmc envoy. now it goes dead when air is
You need to clean your throttle body, make sure to clean both front and back sides thoroughly.
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