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Old 05-08-2012, 12:48 PM
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Need help on wiring!

Hi I have a 73 chevy impala, 383 stroker using stock starter need help on reconnecting sileniod wires. Ones a given it connects with battery cable. I have two more one bigger than the other the small on is white in color, the bigger one is possible black or maybe at one time a dark color cann't tell. So do I hook both up to the "S" Terminal?

Second ? when I pulled motor out on the back side of the block on passenger side I had to disconnect wire with female end whats is it and whats it for. Now that motor is installed I do see anything to connect to? Can I run it without issue if cann't reconect?

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Old 05-08-2012, 01:32 PM
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Normally you have only 3 wires to the start solenoid. One large battery cable connects to large post on solenoid a smaller wire with a large eyelet connects to same large post on solenoid this is your hot wire to the ignition switch. You should have a much smaller wire that connects to the "S" post on the solenoid this wire goes to the start post on the ignition switch.
Hope that helps.
Ranrodder
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Old 05-09-2012, 03:54 AM
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Quote:
Originally Posted by compajosh
Hi I have a 73 chevy impala, 383 stroker using stock starter need help on reconnecting sileniod wires. Ones a given it connects with battery cable. I have two more one bigger than the other the small on is white in color, the bigger one is possible black or maybe at one time a dark color cann't tell. So do I hook both up to the "S" Terminal?

Second ? when I pulled motor out on the back side of the block on passenger side I had to disconnect wire with female end whats is it and whats it for. Now that motor is installed I do see anything to connect to? Can I run it without issue if cann't reconect?
The darker, heavier wire goes to the "S" terminal of the solenoid.

The off white wire goes to the "I" (for ignition, sometimes this will be labeled "R"). This assumes you're using the stock points ignition. If you're using an HEI ignition you don't need the white wire, and the coil should be supplied w/battery voltage and not use any form of resistor in the wire to the HEI.

The other "female end" wire/cable sounds like a ground. If it is, it should be attached to the firewall on one end. Connect it to one of the transmission bolts or some other attachment point on the engine. Be sure there is bare metal and not paint. There should also be a cable from the battery to the engine and from the engine to the frame- but make sure it's a ground first.

Last edited by cobalt327; 05-09-2012 at 04:04 AM.
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Old 05-09-2012, 03:54 AM
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Are you running a HEI dizzy?
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Old 05-09-2012, 05:17 AM
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If the wire on the back is a ground you should use a braided ground strap instead of a standard wire. The stock ground strap is usually only about 1/2" wide (or less), but there is a lot of copper connection in a strap that width, and you would need a very large wire to replace it.

GM connects the ground to the valve cover bolt, but on my engine I found there was also a bolt hole in the back of the engine pointed right at the firewall. I cleaned up the block in that area and used it for a ground point. It saves a little time when I can pull a valve cover without worrying about the ground being attached.

Bruce
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Old 05-09-2012, 10:11 AM
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Thanks guys! This helpped alot
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