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93 chevy Astro horn only works when ignition is off. When I turn ignition on there's no sound

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  • Cars & Trucks Master
  • 3,103 Answers

Horn should work regardless of the key being on or off..unless the horn has been incorperated(added into) the cars alarm system..then its a different fix..the horn switch actually grounds the circuit by way of a horn relay usually in the fusebox..replace this and fuses if needed..if its alarm wiring, thats more dificult to find but usually a relay burnt out..good luck and repost findings..

Posted on Jan 20, 2013

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  • Contributor
  • 7 Answers

You probably have your connections crossed/backwards

Posted on Jan 20, 2013

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Posted on Jan 02, 2017

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SOURCE: My 1990 chevy astro mini-van has a loose tilt

Ok Here is what you need to do this job
1. #8 tork head wrench
2. # 3 tork head wrench
3. New cylinder or lock buy at junk yard or from dealer or lock smith with keys.
4. Tube of lock tight
5. steering wheel removal tool Rent it from Schucks
6. steering wheel spring compression tool Rent it as well.
7. Two dental picks to remove spring.
Now make thew wheels straight and pull the horn button off should just pop off, next you will see a nut 3/4 inch remove the nut now find the right size of threaded bolts out of the kit and put them in the holes with puller over the steering column remove steering wheel. Forgot to mention remove the metal cup and plastic ring held on by a3 philips screws. This is your horn button, next put the U shaped compression tool on the bolt that you took the nut off and compress the spring 1/4 of an inch to 3/8's of an inch. Now take the picks and get them under steel ring slide the ring over the steering bolt and pull clamp off now remove plastic plate you are now where you can get to the 2 screws on top to tighten the steering wheel. you will see a screw just at the end of the cylinder lock remove the one screw and pull the cylinder lock out, put a drop of lock tight on each screw and tighten down look to see if you see a wire by the lock ring is sticking up it will have a 45 bend in the copper wire there will be two one side by side this has to be pulled out along with the plastic holder that holds the two wires in this also holds the lock in as well as the one screw, install the new lock put lock tight on the screw and install new cylinder lock and key once you have done all of this leave it apart and get back to me so I can tell you how to remove the bueaty ring to get to the screw on the back side.

Posted on Jun 15, 2009

  • 33 Answers

SOURCE: acc positions on ignition switch will not work on 95 Chevy Astro

ignition switch not lock cylinder may need to be addjusted it's on top side of steering column under dash

Posted on Jul 10, 2009

alicantecoli
  • 22133 Answers

SOURCE: 98 chevy astro van wont start i dont hear fuel

then it has a problem ,check for a feed to the pump first ,have worked on one of these here in spain and the beast would not start ,found the wires from casing to the pump had corroded and burnt out inside the tank

Posted on Jan 08, 2010

  • 564 Answers

SOURCE: My 93 Chevy Cheyenne has no headlights, tail lights, horn.

ck the wire that comes from starter,,see if it didnt rotted off,,

Posted on Jan 31, 2010

  • 2 Answers

SOURCE: i have a chevy 93 astro van my transmission won't

If the van is an all power, Have your alternator checked. DO NOT remove battery cable while running to check alternator. You definitely will need a new one then. they are sensitive to voltage changes, if voltage drops much will lock auto trans in 1st gear & various others things will stop working that draw much juice. Anything under 11.7 volts will trigger trans lock into gear on these vans. Autozone & O'Reillys checks them for free if you bring it to them.

Posted on Feb 19, 2010

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1 Answer

2001 chevy astro van horn does not work already replaced 20amp fuse any suggestion.


really need more information. does your air bag light stay on, if so your clockspring below the steering wheel could be bad. disconnected the wires at your horn and with a test light see if the light comes on at the wire while someone presses the horn. if it does the horns are bad. there should be a horn relay under the hood for the horn. it could be bad. i hope this helps.

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ck the wire that comes from starter,,see if it didnt rotted off,,

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on the engine compartment on the fuel rail there is a pressure port that is usually covered by colored plastic cover open it then turn the ignition switch listen for the sound of your fuel pump turning on momentarilly. if you cannot hear it while ignition is on insert small screw driver on the port to open the valve make sure you wrap rugs to control the flow of fuel if there is any. the fuel should around 40-50 psi so expect heavy fuel coming out at port if your pump is working. to change it you have to drop your fuel tank and replace your pump. this is usually left for professional due to fire hazard. any spark due to static electricity can set your fuel to flame up.

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1 Answer

How do I change my horn (low note and high) on my 98 chevy astro


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1 Answer

Acc positions on ignition switch will not work on 95 Chevy Astro


ignition switch not lock cylinder may need to be addjusted it's on top side of steering column under dash

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