Thread: Power tie in - Questions
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Old January 2nd, 2014, 11:45 AM
Culver Adams Culver Adams is offline
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Location: Minneapolis, MN
Truck: 1961 3/4 ton 4x4 pickup
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Default Re: Power tie in - Questions
Hello Jake Groby and Ole GMC Truckers,

My "GMC Trucks Maintenance Manual, Models 1000-5000" (number X-6023, copywrite 1960) has an "Electrical Circuit Diagram--Series 1000 Thru 3500 With Turn Signals". (This diagram follows page 340.)

It shows the Instrument Cluster, including "Inst. Lps." which I take to mean Instrument Lamps. Instrument lamps are wired in parallel (Daisy Chained sounds more interesting). Positive (shown as 18 ga. black) goes to the 3 Amp fuse protected side of the fuse block's top most fuse, labeled in the diagram as, "Panel Lps. 3 A". Negative (shown as 18 ga. black white striped) goes to ground.

May your night lights be bright lights, and Hope that helps,

Culver Adams
Minneapolis, MN
1961 K1500 with 478 V6
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