It "tells" the computer the rational location of the distributor for spark timing.
In the distributor.
Why would my 1984 Dodge pick up truck stall at the light when I stop
Location of diagnostic plug in 1990 Mazda 2200 pick up truck?
Try unplugging the EGR valve and either plug it up or just unplug it. My truck would stall and not start util I unplugged the EGR Valve. Sfter two or three starts it should pop over.
It depends on the brand of truck, on a dodge it is on the driver side.It depends on the brand of truck, on a dodge it is on the driver side.
The pick up coil for this engine should be right underneath the rotor inside the distributor cap. Unscrew the two screws holding the cap on, remove the rotor below it, then you should be able to lift out the pick up coil. I don't recall anything additional used to attach it, just the distributor cap screws.
crank sensor
5w30 or 10w30
Replace the ECU.
The timing on a 1989 Dodge truck should be set to 10* after unplugging the temperature sensor.
I believe it was Dodge, circa 1977.
It is on top of the rear axle