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Old 07-16-2008, 07:23 PM
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Help getting 85 Silverado running

Let me just say, I'm a carpenter that loves to play around with chevrolets. I'm a parts changer, certainly no mechanic. I'm really lost when it comes to electricity, in homes and for sure with vehicles!
I hauled in an 85 silverado this week with a 305. There is no cab on the truck, so no ignition for me to try to start this engine with. I need to see if it runs before I scrap the frame and bed.
Several wires have been clipped out of the harness at the fire wall, there is no wire going to the distributor. I have a remote starter, basically a trigger with two wires with clips.
Can someone explain to me in simple terms, step by step what to do to crank this thing over?
Any help would be much appreciated.


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Old 07-16-2008, 07:28 PM
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Mark, I changed the title of your thread. Just titling it "help" makes it very hard to find if anyone uses the forum search function.

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Old 07-16-2008, 09:05 PM
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If its a stock engine with HEI, you don't need very many wires to get it to turn over and run.

Battery connections
- ground wire has the large diameter wire running to the alternator bracket, and a smaller pigtail to the body/frame.
- positive wire runs over to the large starter terminal

Starter connections
- large terminal (same place the battery cable is connected) has a two 10 gauge wires with fusible links that (1) provide power up to the fuse box and ignition switch, and (2) connect to the alternator bat terminal
- small solenoid terminal on the starter is where you apply 12 volts to engage the starter

HEI has 12 volts applied (through ignition switch) to the Bat terminal whenever the ignition is on.

Also install ground from engine block to body/frame

I think that all you need to get it started is:
-- first connect the battery to the starter (12v) and alternator/frame (ground).
-- Then turn on power to the HEI by using an on-off toggle switch between the 10 gauge wire (which used to go to the fuse box) coming up from starter terminal and the Bat wire on the HEI.
-- Then use your remote starter switch to apply 12 volts to the solenoid terminal on the starter, and it should turn over and run.

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Old 07-17-2008, 04:43 PM
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Thanks for the help, I appreciate it.

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