Question about 1998 GMC Jimmy

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New battery drain for no reason had alt checked could i need spark plugs

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  • GMC Master
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Sounds like an alternator to me, no doubt in my mine. spark plugs, whats that goin to do? replace your alternator girl, make sure you take the old one to parts store with you, could cost you 80-150 bucks! so thats on the light side, just for the part,

Posted on Jan 12, 2013


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SOURCE: I have a gmc 2003 z71 with codes 1637&1638

OK, I'd say you have a short, and a big one at that. Can you troubleshoot circuits? If yes, start at the engine compartment relay box and start checking fuses and any fusible links or circuit breakers in there.

Please see my tip at . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

If you find a bad circuit, I can pull your wiring diagrams and tell you where to look for the short. Please remind me what the z71 means--this is a Sierra, right? Do you have dual batteries?

Posted on Oct 06, 2010

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Problem cranking kills battery new one.even with jumping it it tries but fail put new spark plug it. Whines like it want to but want start even with starter fluid

You need to check for spark. Check the ignition system by seeing if spark is delivered to any of the spark plugs. If not, the ignition system needs testing to find the problem. Could be a coil on the coil pack, or the ignition control module, or a crank sensor or cam sensor. Could even be the computer (or pcm), though not often. But you need to do the testing.

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Are you getting fuel to the carburetor?
Is the spark plug sparking?

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Our car tries to start and then drains battery and turns over just wont start

Check for spark at plugs, fuel pressure, compression test to see what area is failing.

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2000 impala 3800engine when sits battery drains

If the battery goes dead in a few days, something is "on" and draining it.
Someone will need to check the circuits to find the drain. You can pull all of the fuses or check each circuit one at a time with a test light.

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I have a 1996 toyota camry, it doesnt want to start its not the battery i just put a new one in and it wants to start

If its not battery,still check the voltage of new battery.In many cases it has seen that battery charge is low,because if the new battery is just kept in stock then it will get drained automatically without any use.So check the voltage of new battery first with meter.It should show exact 12 volt.But if its less or no 12 volt then get the new battery charged.

There are some possibilities which you will have to check in this case:--

1) First of all check the power and voltage to the battery. With meter it will show exact 12 volt if the battery is charged. If the voltage is less get the battery charged at local auto repair shop. If the battery is internally drained and not getting charged then its time to replace the battery.

2) When you crank the car do you see spark coming at the spark plug? If no then its time to check the spark plugs and coil pack. If the spark plugs are not worn out and looks new then its time to check coil pack. The spark plug gets power to spark from coil pack.

3) The other thing to check in this case is the starter solenoid of the car. If the battery is charged and you start the car then it gives power to the starter to start the car. But if starter is faulty or not connected properly then car will not start.

4) The other thing to check in this case is fuel in the car. If there is fuel in the car then check the blockages in the fuel pump if the fuel pump looks proper then check the fuel filter above the fuel pump.

5) If all the above possibilities mentioned above checked out OK/perfect then it's a electrical issue and the wiring's in the car needs to be checked. The car gets power from the battery to get started. so the wires from battery needs to be checked one by one.

Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

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BATTERY GOES COMPLETLY DEAD AFTER THE CAR SITS OVER NIGHT.I rebult the alt.and replaced the battery with a new one. What do i check for

parasitic drain. a drain on the battery when everything is supposed to be off. usually a short in a circuit. disconnect negative battery terminal. unplug hood light. connect cheap test light between unplugged neg cable and neg post on battery. if parasitic drain exists light will be on. unplug fuses one at a time (and plug back in) until light goes off. that is the circuit with the drain. plug back in fuse. unplug components in that circuit until light goes off. that is the faulty component. replace. retest.

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Low or bad voltage i replaced the alt and batt is good dash gauges are not working check engine light was on before the issue and dont come on now.will run if i jump the batt but then just drains.not...

are you sure the alt. is good 
how long does it take to drain down
have the alt rechecked by auto store they do it for free 
does it die even if its running meaning you are just using the life of the battery then it dies then its your alt. if you need further trouble shooting

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first disconnect lights and check to see if they were problem if no change then need to find out why alt went bad in the first place[ground bad shorts in system] if you live by auto zone or advance auto they can test ur alt to make sure new one is not defective and can check battery for same if good need to start checking grounds and wire harnesses

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1998 dodge ram will turn over but wont start.

just replace your alternator and you will be fine also you might check any wires hanging around just to make sure nothing touching the body ok goodluck

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