Re: Were is the horn relay located in a 2002 astro van
Horn relay is under the hood in the electric center , first check fuse behind left foot kick panel then the relay and last the switch in steering column
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The power for the data link connector is from a 25amp fuse Number 7 in the IP fuse box. As long as the check engine light is on the computer has power. The main computer power is from two ECM fuses in the box near the battery. The fuse locations should be in the back of your owners manual.
the fuse is located in the underhood fuse and relay ELECTRICAL center, it is marked "HORN"
The underhood electrical center is located toward the
rear of the engine compartment on the driver's side.
Lift the hood and open thec over to gain access to this
fuse block.
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.
This year calls ita PCM relay. Its in the lower row of the six big relays in the engine fue block.. It is on the right side above the two smaller relays. It would be position 6 if you start at the top and read like a book. .The relay above it is the horn relay. Its the same . Rotate them to check. to see ifthe PCM relay is bad. If the horn works with the PCM relay then the relay is not the issue,.
If your door locks are not working and your cigarette lighter is also not working the fuse is burned out. On my 2001 astro van it is #13 in the fuse box under the steering wheel. I have replaced mine and so far no problems. Good Luck.
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