It is quite simple to replace the four-way flasher relay switch in your 1986 Chevrolet Astro Van. The four-way flasher relay switch simply plugs in and out.
The 1986 Toyota pickup flasher relay switch is located beneath the dashboard on the drivers side of the passenger compartment. The flasher relay switch will be labeled as such.
The spark plug gap for a 1986 Chevy Celebrity with the 2.5L 4 cyl engine is .060".
Does your 1986 Chevy Celebrity have the 2.5L 4 cylinder engine or the 2.8L V6?
If it is a 2.8 it has 2
According to my 1986 Chevy Celebrity factory service manual the choke relay is in the "convenience center" and plugs in. The "convenience center" it behind the headlight switch and behind the instrument cluster. It appears to me that it would be less than easy to get to. Some convenience.
The signal flasher relay may be at fault, swap it with the emergency flasher relay to see.
The fan switch, on your 1986 Chevy, is located on the fan of. The switch will have three wires going to it, from the temperature sensor.
I found one source that says a 1986 Chevy Celebrity has a curb weight of 2714 pounds. Different options would change that weight.
Some possible reasons the horn doesn't work on your 1986 Chevy Celebrity: 1. The horn is unplugged or faulty. 2.The horn relay has failed. 3. It has a blown fuse. 4. The horn button or switch in the steering wheel has failed. 5. The horn circuit wiring has failed, is unplugged or some other way is faulty.
Please clarify your question as in front or rear axle.
On the V6 the ignition module is under the distributor cap.