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Re: 1989 Firebird 2.8 If you are looking at the abck of...
Facing the solenoid on the starter, the small (trigger) wire goes to the terminal on the right.Be careful that it does not touch the larger battery terminal and remember, the cover on the solenoid is plastic...tighten too much and you can break it.
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Two heavy gage red wires one from the battery the side goes to the starter . The other is red with a light blue stripe ( small gage wire) Goes to small terminal . Starter solenoid located on inner fender ,engine compartment , not on top of starter ?
You can go to www.bbbind.com/ for free wiring diagrams . On the home page click on technical information five box will come up . Click on tsb's an free wiring diagrams . On the next page go to bottom an click on I agree . Next page click wiring diagrams an then enter your vehicle make, model ,year , engine size. Then under system click on engine , then subsystem click on starting ,then click search . Then click on the blue links one at a time . Do you know how to read a wiring diagram ? At the top you can zoom in closer an on the sides click on the arrows to expand the diagram right an left . The first diagram if you look on the left side near the battery you will see the starter relay has three wires going to it. Good luck hope this helps >
OKAY STANDING IN FRONT OF ENGINE ON LEFT SIDE CYLINDERS FACING YOU IS 1 3 5 ON RIGHT SIDE DRIVER SIDE CYLINDERS FACING YOU IS 2 4 6 LOOKING AT DISTRIBUTOR CAP NUMBER 1 SPARK PLUG ON CAP IN THE 9 OCLOCK POSITION YOUR NUMBER 5 SPARK PLUG ON DISTRIBUTOR CAP IN 6 OCLOCK POSITION .STARTING AT NUMBER 1 SPARK PLUG ON CAP COUNTING CLOCKWISE COUNTING 1 2 3 4 5 6 THATS YOUR SPARK PLUGS WIRES ON CAP TO ENGINE PLUGS. 6 PLUG WIRE ON CAP IS AT 7 OCLOCK POSITION.
The firing order is 1-2-3-4-5-6.
Looking at the engine facing the crankshaft pully the cylinders are 1-3-5 on the left bank (closest to firewall) and 2-4-6 on the right bank (closest to radiator) going from front to back. (passenger side to driver side)
From the front of the car looking at the coil packs you wires should go on 1-4-6-3-2-5 going from left to right. (passengerside to driver side)
Try spraying the idle air passage in the throttle body with a carbuator cleaner while the engine is running, you will have to hold the throttle to keep the engine from dieing.If that helps a little than you may have to remove the idle control valve from the throttle body and try cleaning it out with a carburator spray cleaner and also spray clean the idle passge in the throttle body.Or you may have to replace it,
The idle vale should be on the left side on the side of the throttle body -- passenger side --- with two torx head screws holding it down. It has a three wire quick connect plug that looks like a race-track--- rectangular/oval.
firing order for the 2.8 and 3.1 engines is 1 2 3 4 5 6. if you got plugs wires out of place left from right of coil pack..this is where your wires will go from coil pack to plugs.1 4 6 3 2 5 . now looking at your engine.rear cylinders left from right is 1 3 5 your front cylinder left to right is 2 4 6 now firing order for 2.0 - 2.2L - 2.3 engines is 1 3 4 2 . looking at 2.3 engine left to right cylinders is 1 2 3 4 .now the 2.0 2.2L engine cylinders left to right is 4 3 2 1.if you got coil wires mixed up.looking at coil pack facing you first would be 1 4 3 2 .this is the cylinders wires will go.
I`VE BEEN THROUGH THIS BEFORE. LOOK ON THE RIGHT SIDE FENDER-WELL, YOU SHOULD SEE A LITTLE BLUE BOX WITH A BUNCH OF WIRES COMING OUT OF IT. THAT IS A RELAY SWITCH FOR YOUR IGNITION. SWAP IT OUT WITH ANOTHER ONE THAT SHOULD FIX YOU UP.
wire from battery to the left post on the solenoid, then another from the right side directly to the starter. the 2 smaller posts on the front of the solenoid are for switched accesories, ( stereo, lighter, ect.) let me know how it goes