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'63 544 Starter installation

All the classics... pre-1975 Volvos.
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ironnickwhite
Posts: 1
Joined: 10 May 2012
Year and Model: 544, 1963
Location: tucson, AZ

'63 544 Starter installation

Post by ironnickwhite »

I was pretty sure that the starter was bad (since I had replaced the fuel system, carbs, spark plugs, wires, etc) and still had no cranking. I got the old starter out, but in the 2 intervening weeks forgot how things were wired (should have taken a picture, i know). there are two posts on the starter, as well as two flat connections. I'm not sure if it matters which post/connection gets used, or if somehow both posts get used. Can anyone out there recommend a resource for figuring this out, or provide pictures of the business end of an installed and working starter? It's actually a 1974 B20 engine in the car if that makes a difference. Thanks much.

jimmy57
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Post by jimmy57 »

The round lug wires all go on the threaded top post.
The two spade connectors can be figured out this way:
Use a test light or voltmeter and probe the unplugged wires with key on. The one that has power on it will go to the inboard (closer to engine block) connection and the one with no power will go to outboard one.
Outboard is starter activation and inboard is power supply to ignition coil. The wire from coil will either be battery voltage (points open) or maybe 5 volts below battery V if points are closed. The ignition power terminal is connected to battery when starter is running to give coil higher voltage when starting as starter loads battery and reduces voltage to coil if this is not done on conventional points ignitions.

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