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Thread: 55 Buick Special Headlight and Turn Signal Splices

  1. #1
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    55 Buick Special Headlight and Turn Signal Splices

    I have a 55 Buick Special and I wanted to replace the front turn signal assembly, but when I unscrewed the terminals where the headlights and turn signals connect and the strip started to break. Does anyone still make these splice blocks? Where can I get them from.
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    Block, headlamp wire junction, no 1998792

    The Buick parts book shows it is a Delco-Remy part no 1998792. This one shows applications on several other GM brands. It was discontinued about 1979.

    Chevy trucks used it on their '54 models per their parts book. A supplier of classic truck parts www.classicindustries.com shows this part as available. Plastic is red. Brackets around mounting holes may need removal.

    Other suppliers may stock it as well. There was one outdated auction for one on eBay some time back.
    What has been, can be again. (Bob Wills, 1942)

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    Those are called junction blocks. NAPA and Ace Hardware both stock those items. They will probably bolt right in. I have one from Cole Hersey and the holes line up perfectly.

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    I just wanted to let you guys know I bought them from Cars Inc. I thought they were more of a dark brown, however theyre almost red when you get them. I bet they are the same as the chevy ones. Were the terminal blocks originally black on these cars or are mine rotting? I was thinking of trying to spray these flat black.

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    The Canadian Buick Parts Catalogue for 1946-57 models printed in July, 1960 shows the 1998792 block to be used on all 52-55 models. No mention is made of the color.

    The earliest reference to the 1998792 block I could find is in the March, 1954 Chevrolet Parts And Accessories catalog. It indicates the block has a red base. Usage is only on the '54 truck models. Another 4-term. block 1998756 is shown for passenger cars '40-54 (color not mentioned). By their '57 parts catalog, the 1998792 had superceded the other two blocks shown in '54.

    So the red block was available from Delco-Remy for Buick to use by the time the '55 models were built. A Buick Parts List printed in '55 would show if the 1998792 was used or some earlier part number, possibly brown.
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    Last edited by TODD; 09-28-2017 at 02:33 AM. Reason: Add attachment
    What has been, can be again. (Bob Wills, 1942)

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