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Old 09-04-2012, 04:13 PM
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Replacecment fuse block for 1978 GMC heavy truck

Can't seem to find a replacement fuse block designed as a direct replacement for a Grain Truck, (1978 GMC 6500 according to what I was told, haven't seen it) and am trying to avoid a "make a modern one fit" situation. Anyone know where I can find one or a reasonable simile.

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Old 09-05-2012, 04:16 AM
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GM used the same electrical parts across many truck model lines, so it might be the same fuse block as the pickup trucks and Suburbans of that vintage. By '78 I think they had switched to blade fuses, and also had the extra circuits for power windows and locks.

There are hundreds of GM pickups in the junkyards, and and many other retailers sell replacement parts for this vintage of light truck. I would check those sources first, and compare them to what is on the grain truck. This site also has a lot of info about the light trucks of that vintage .

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