Question about 1999 Oldsmobile Alero

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1999 oldsmobile alero, no dash gauge response, no obd2 plug voltage

Checked the normal fuses,relay power. car statrts and drives, service engine light on, cannot connect to odb2 no com.

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  • Oldsmobile Master
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Check pin number 16 of the OBD 2 diagnostic connector, it should have 12 volts, if not the port will not power up the code reader or scanner. See diagram below.
1999 oldsmobile alero, no dash gauge response, no  - 10_31_2012_5_59_56_pm.jpg

Posted on Oct 31, 2012

Testimonial: "Thanks Dennis for your help. The actual problem is the vehicle is second hand to my daughter. the original owners installed a remote start/sercurity alarm. the system failed and VATS was shorted. i am in process to remove the entir remote start security system. still no power to the odb2 pin 16. that is ok, my launch diagun has a breakout to either supply power to the dongle or hard wire the diagun around the bluetooth. yes i am a welder by trade and spend spaer money buying good tools. hobby mechanic. my local shop agreed to print the all data schematic for the vehicle. hopefully this weekend my daughter can have her car back. thanks for all your help, jason"

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SOURCE: Service Engine,Abs, and Trac off light came on at same time

Hi, there I solved it myself turns out it was the driver front Abs sensor. the bearing had to be replaced because the Abs sensor is build into the bearing.

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SOURCE: My 1999 Oldsmobile Alero Gas gauge and fuel system

well # 1 the full gauge when empty is a sign that your fuel pump is bad and that needs to be replaced the part about spitting the gas back out is probrobly a clog between the fuel door and the tank itself or their might be a vapor lock door that might be stuck shut so fuel cant get in im not 100%sure about that but im 100%sure that the fuel guage is the fuel pump being dead.

--THB--

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SOURCE: 1999 Alero stalling and trac off light coming on

does the rpm motor kick down? you may need to check your vacuum hoses, and also you may want to check your exaust, sounds wierd but that can cause the car to stall at times.as for the traction light, your hitting the brakes to hard. try slowing down a little slower while stopping, and keep distance for saftey.. if you can take it a little slower at lights and turns, without braking hard and it stops stalling.

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SOURCE: 1999 olds alero 2.4 idles rough and stalls when

When did you last change the spark plugs, distributor cap, ignition wires, ignition coil, fuel filter, or the fuel pump? Any one of these could causing your care to stall. Also, have you been using regular gas or premium as premium gas can cause your engine to not combust properly if it wasn't designed for premium

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SOURCE: How do you reset the service engine soon light on

or you can disconnect your battery for 30min-hr...that also works

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1 Answer

Oldsmobile alero gages not working and dashboard lights are on


There is a fuse for the gauges. Open the door and the fuse panel is on the side of the dash. One on each side, But I believe the gauge fuse is on the drivers side. Pull the fuse and look at it. If it is blown, replace it. If not put it back in, see if the gauges come on. Corrosion will sometimes kill the power at the fuse. Pulling it out takes care of it. If it still doesn't work, next I would pull the dash and do the same, pull the plug and put it back in. Corrosion. After that is checking wires.

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sound like loose ground wire or your gauges controls or instrument panel control shorted out.take car back to whom sold it to you.tell them your car has a electrical problem in dash control panel.to me buying a car nothing should not be breaking down when you drive off lot with a new or used vechicle.that bad omen car break down after driving it off a car lot.the person sold car to you they have to fix problem or give money back.

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CHECK TRUNK FUSE AND RELAY ON THE INSTRUMENT PANEL FUSE BLOCK ON DRIVER SIDE ON SIDE OF DASH PANEL.IF FUSE RELAY OKAY THE TRUNK ELECTRIC OPEN SOLENOID SWITCH BAD.THE THEFT SECURITY HAS TO CHECK AT DEALERSHIP.MOST TIME WHEN YOU HAVE TROUBLE WITH IT.YOUR KEY OR SWITCH WORN ALSO BCM CONTROL MODULE.IF DEALERSHIP FIND FAULT IN THE THEFT SECURITY SYSTEM THEY HAVE TO FIX IT AND REPROGRAM IT.NOT A HOME FIX.

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1 Answer

The speedometter,gas,overheat,and RPM gauges dont work in dashborad. power windows and A/C wont work either. do you think its a fuse or relay switch ? if so could you tell me which one? or were i can...


CHECK 10 AMPS FUSES IN THE INSTRUMENT CLUSTER LEFT SIDE OF DASH. DRIVER SIDE FOR DASH LIGHTS AND SPEEDOMETER AND TACHOMETER. CHECK UNDER THE HOOD IN THE ENGINE COMPARTMENT ON DRIVER SIDE.FOR POWER WINDOWS + AC FUSES AND RELAYS LOOK ON THE FUSE COVER IT WILL HAVE A LEGEND OR LOCATIONS FOR ALL FUSES AND RELAYS.

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2 Answers

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1 Answer

1999 Oldsmobile Alero Gauge problem


Could be lose connection on the back of the instrument cluster ,which means you would need to pull it out of the vehicle . Check pin fit to instrument cluster . for the B+ voltage suppy an ground connection's .
You said autozone - Tried to have auto zone diagnose from inside the car, came up with no codes. That's in the PCM - engine computer . There scan tool will not communicate with the instrument cluster ,which is also a computer in it's self. Need a factory scan tool to check instrument cluster.
Speedometer and/or Odometer Inaccurate
Step
Action
Value(s)
Yes
No
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open.
1
Did you perform the Instrument Cluster System Check?
--
Go to Step 2
Go to Instrument Cluster System Check
2
Turn the ignition switch to the ON position.
With the scan tool select Instrument Panel Cluster, Special Functions, Instrument Panel Cluster (IPC) gauges.
Perform the Speed Gauge Sweep Test.
Does the speedometer complete a full sweep when commanded?
--
Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls
Go to Step 3
3
Replace the instrument cluster. Refer to Instrument Cluster Replacement .
Did you complete the repair?
--
Go to Instrument Cluster System Check
--
With a scan tool select the instrument panel cluster, data display, gear status.
Monitor the gear range status.
Move the gear lever through each gear.
Does the scan tool display the correct gear selected?
Your best bet , take it to a qualified repair shop .

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sound like a ground wire loose bad connection.if it comes and go if no gauges windows or ac / heat not working. check relays and fuses. it could also be body control module.

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2 Answers

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also check he hoses to the map sensor...its a small sensor on the back of the upper intake plenum. Pretty common issue....

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