The spark plug gap for your 1989 Chevy Celebrity 2.8 V6 is .045".
The petcock on a 1989 Chevy Celebrity is at the bottom of the radiator on the drivers side.
If you are not getting spark to any of the plugs could be coil rotor and/or cap HEI ignition?
The oxygen sensor on a 1989 Chevy Celebrity is located in the rear exhaust manifold on top about the center.
Looking in my factory service manual for a 1989 Chevy Celebrity I found no reference to an accessory relay.
The 1989 Chevy Celebrity V6 is rated at 130 hp.
Per Champion spark plug applications chart, the gap for 1989 Chevy 305 (5.0L) is .035.
The 1989 Chevrolet Celebrity uses distributorless ignition. The spark is controled by the ECM, engine control module, and cannot be re set, or go out of time.
The thermostat on a 1989 Chevy Celebrity is located under the water outlet fitting. Follow the upper radiator hose, it will end at the water outlet.
on the side of the transmission
There is no fuse on the alternator.
No Chevy Celebrity ever had a 4.0L engine
On a 1989 Chevy Celebrity the timing is controlled by the engine control module, there is no specification or provision for adjusting the timing manually.
No spark in your 1989 Chevy Celebrity 2.8 V6 is usually caused by either: A failed crankshaft position sensor. A failure of the ignition module. A failure of the engine control module or associated wiring.
All Chevy Celebrities have rack and pinion steering.
Other than the 1987 and 1988 Eurosport VR versions I am unaware of any Chevy Celebrity with cup holders.
According to one source I found the weight of a 1989 Chevy Celebrity varied between 2751 to 2928 pounds. Actual weight of a given car would depend on engine, transmission and other options.
My 1987 Chevy Celebrity with 2.8 V6 was doing the same thing. I cured the problem by replacing three dead fuel injectors.
Which engine does your car have?
I have not seen a standard Chevy Celebrity with a toggle switch under the dash. I would suspect that is something a previous owner installed.
The rear window in a Chevy Celebrity is too irregular both in width and height to give a single size. They are sold by application.
The MAP sensor on a 1989 Chevy Celebrity is on the firewall on the passenger side behind the strut tower.
All Chevrolet Celebrity cars are FWD (front wheel drive).