Where is the ground for the distributor on a 1998 astro
I put a junk yard motor into my 1998 astro. I think I left off a ground wire for the distributor ( I think.). where could i find the location for the ground. I get a reading on the meter of voltage from the coil to the distributor if I ground it to the engine and not to the distributor.
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Remove the reservoirs for washer fluid and coolant, unclip the electrical connector that plugs into the heater motor resistor. Check all the terminals at the plug end for heat damage or corrosion. If it runs on lower settings, your resistor pack is not likely a problem, and it's most likely a poor connection in the system. I've had a wire burn behind the switch in the dash as well as a heat damaged contact on the big plug into the resistor pack. All the vans in the junk yard show the same problems too...
aftermarket tachs have 4 wires. red for power (pos.) ,black for ground Green goes to distributor tach terminal or neg side of coil , and white for internal light. yours i'm guessing, ig is power, - is ground,and e is engine. goes to dist. see if that works.
Get a good wiring diagram for that year so you can put the wire on the fuse box correctly. Then if you are taken the power windows out of a junk yard vehicle, write down every bit of information that you think you might forget, then put the regulator and motor in the way that you took it out of the other vehicle. It is easier that way and cheaper, and they last probably as long as you will own the vehicle. In most cases the vehicle was set up for it at the factory anyway and doesn't have any trouble matching it up. The interior is a different story...you might want to grab the panels at the junk yard...just for fun, I left my manual cranks on the door...they don't work, just for looks, but a conversation piece, once in a while.
Ok First lets check the spark. Go in Steps first check to see if you have spark from the ignition coil TO the distributor cap by carefully pulling the coil wire out of the distributor cap, always grab by the boot not the wire never by the wire and wtist gently and pull slowly . once out hold the coil wire close to a ground and have someone crank the engine you will be ok as long as you do not put your hand over the end of the coil wire! Ok if there is Spark there Great, now reinstall the coil wire in the cap. Now go to a spark plug wire and do the same procedure but the plug wires are a bit different on the plug end than the coil wire so you may ned to put a phillips screwdriver in the end of the wire and hold the screwdriver close to a ground be careful of any moving parts like the fan! If you hve spark Great if not you need a distributor cap and rotor (USE ONLY FACTORY GM PARTS) it's very very common in the Astro van
First do these tests and get back to me at firstname.lastname@example.org and we'll move on to the next step if we need to. www.aceautomotive1.com If this information is helpful please give me a fixya! Rating Thank you, Randy