Question about 2007 Chevrolet Tahoe

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A hard start

I have a 1999 Chevy Tahoe that has a hard start i've tested both battery and starter both are good I've also checked all my grounds they to have a good connection. Any solutions of where I may check next.

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  • yadayada
    yadayada May 11, 2010

    Have you checked the fuel pump for a poss bad check valve? this can cause a long crank time because the pump has to build pressure in the supply line before the injectors can deliver any fuel to the engine.

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Not sure of language description ,hard too start or a slow turn over of engine if its slow cranking then drop test battery and a load test on starter motor

Posted on Nov 04, 2008

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99 tahoe wont crank wont start with new battery


Does starter click? Try turning on headlamps and get someone to watch as you try to start car. If headlamps dim, likely bad starter or battery cable(s). If they don't dim, bad solenoid, starter switch, neutral safety switch. Try starting in neutral and jiggle shifter while trying. If it starts, replace neutral safety switch.

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I will try to help, powell. Your start circuit from battery to ignition switch to starter-and back to battery. You may need to check every thing here, including the grounds, for a loose connection, or just possibly a failing part.
If only complaint is intermittent starter action, and no other problems with ignition switch, let's assume switch is good, so battery to ignition switch is good. Now from the switch, a yellow start wire goes to the instrument panel fuse block, to "crank" fuse #8 (10 amp), from there a purple wire goes to the safety switch. If manual it is a clutch pedal position switch (simple on/off switch-when clutch down switch is on). If automatic, purple wire goes to Transmission Range Switch on the transm.-in park or neutral the purple wire has continuity in and out of switch.
From that switch, the purple wire goes to the starter relay (under hood fuse-relay center). Now the relay: purple wire in start will energize the relay- wire goes to coil side of relay, and then coil side goes to ground. On relay power side, the power feed is a red wire-and it is the same red wire that initially sends power to the ignition switch. A 40 amp fuse in fuse-relay center sends power to ignition switch, and a splice goes to the starter relay as the power feed for relay. When relay is energized, contacts close, and power is sent from relay to the starter solenoid, again on a purple wire. When solenoid contacts close, starter motor is connected to the big battery cable on the starter.

There is your start circuit. try a new or different relay, try a new or test the clutch switch (or transm. range switch). Buy a $5 test light and use it to check where power is lost when starter won't operate. Hold key in start and check if fuse #8 is getting power. Check the safety switch, with key held in start, the purple wire should be hot. Check if relay has a power feed (pull relay out and check terminals) and if relay coil has a power signal in start. Check the relay's coil side ground. If that ground is intermittent, relay won't work.
When it won't start, use a test light, you should be able to find it.
Good luck.

Jan 10, 2014 | 1997 Chevrolet Tahoe

1 Answer

The battery light started coming on yesterday now today when the battery is reconnected the 1999 chevy tahoe starts on it's own. we have no idea what the problem may be.


Start or crank? I bet the answer is crank. It's the solenoid or the ignition switch.disconnect battery, then remove the 2 small wires from starter solinoid. if it still does it it is a bad solinoid or ignition switch. check solinoid first.

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1 Answer

1999 Chevy Tahoe won't Start. Motor will not turn over.


I'm assuming that by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and check the charging system after re-starting. Lights and radio do not pull the same amperage as the starter and may not tell you much about battery condition. If you have full battery voltage, check the starter for 12v at the battery connection and the small (trigger wire) for 12v with the key turned to start position. If you have both, likely starter has failed.

Jun 06, 2009 | 1999 Chevrolet Tahoe

3 Answers

Installed new starter on 1999 chevy tahoe 5.7 and it tries to start without using the key


ONE OF THE WIRES ON THE STARTER IS ON THE WRONG TERMINAL. OR TWO OF THE SMALL WIRES ARE MAKING CONTACT WITH EACH OTHER. CHECK OUT ALL THE WIRES. HOPE THIS HELPS YOU. PLEASE KEEP ME POSTED. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA. GOOD LUCK

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have to make sure the starter is getting power. make sure the engine will turn over by putting a socket and ratchet on the crank bolt and turn it to the right. the two wires to the starter is battery the big one and the little one is for the ignition. ground test light check big wire, then have a friend key it up to check the little wire.

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test the battery first then go through the ground wires, there will be a few and if one of them have corrosion or are not connected you will not get full voltage to the starter,

Oct 06, 2008 | 1995 Chevrolet Tahoe

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