Now.. not knowing what erratic is to you, but with personal experience, you very well could have a cracked head gasket, or you could need a new water pump, or your thermostat could be in need of replacement.
Simple, just replace your alternator..
what wires do i need to hook up to the alternator
where is the diagram on a alternator belt ..huh?
The 1996 Oldsmobile Cutlass Supreme temperature sending unit can be found on the front of the engine. The temperature sending unit will be a few inches above the thermostat housing.
The Volatge Regulator Is Inside The Alternator.
go to your local auto parts store and ask for it.
replace the alternator if your system isn't charging.
If your battery was dead and you jumped it to get it started and the gauge shows your not charging you need to replace the alternator.
the alternator is located on the upper left hand side of the engine. just follow the belt and you will find it located at the top.that is where mine is.
It's inside the alternator, most people just replace the alternator if it isn't charging but you can take the alternator apart if you know how and put in a new voltage regulator for about $15.
Depends if it is the 3.1 or 3.4. I have a 3.4L and I let the dealer do it. The car had to be raised and the engine lowered since the alternator is located on the rear of the engine towards the bottom. See question regarding the 1995 Cutlass Supreme . Same applies unless you have the 3.4 version of engine.
Stick the starter in the cutlass supreme.
Oldsmobile Cutlass Supreme was created in 1966.
Remove the serpentine belt from the alternator. Remove the positive battery cable from the battery. Remove the cables from the alternator. Remove the wiring harness. Remove the alternator retaining bolts. Reverse the process to install the new alternator.
climate control panel.
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Depends on what year Cutlass Supreme you're referring to...
The most obvious thing to check when a 1991 Oldsmobile Cutlass Supreme won't start is to make sure that the vehicle has gas. You should also check the battery. If the car clicks when you try to start it, it is likely the alternator.
You have to remove the passenger side wheel, and inner fenders, then the drive axle and heat shield, then you can get at it. From underneath.....sorry.