If your 89 Celebrity has the 2.5L 4 cylinder engine the ignition module is mounted on the block below the intake manifold toward the drivers side of the engine.
If your 89 Celebrity has the 2.8L V6 the ignition module is mounted on the block on the radiator side of the engine on the drivers side.
Both are a bit of a pain to get to, but it is doable.
bad fuse,bad coils, bad ignition modual
The ignition modual is in the front of the engine compartment, below the front manafold between the motor and the radiator above the starter
Where is the electronic spark control located a 1995 Chevy Tahoe
On the V6 the ignition module is under the distributor cap.
On a 2.8l v6 it is at the front of the engine behind the ignition coils.
All 1987 to 1990 Chevy Celebrity engines use distributorless ignition. Timing is controlled by the engine control module in conjunction with the ignition module. There is no provision for adjustment.
check beside tranny housing, should be a modual
Which engine does your car have?
The ignition module on a 1988 Chevy Celebrity with 2.5 engine is on the side of the block beneath the intake manifold. You can simply follow the spark plug wires to it. As information the crankshaft position sensor is behind the ignition module.
The 1988 Chevy Celebrity uses distributorless ignition. There is no provision to alter timing, the engine control module takes care of that.
I take mine to Autozone, they offer free testing of ignition modules.
The fuse block on a Chevy Celebrity is located on the bottom of the dash to the right of the steering column.