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Gauge Cluster Swap
https://slantsix.org/forum/viewtopic.php?t=68116
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Author:  shortyD150 [ Thu Mar 06, 2025 7:04 am ]
Post subject:  Gauge Cluster Swap

Have an 1985 D150. Came with the idiot light for oil and temp. Bought what I believe to be a 1987 full cluster with gauges for oil and temp. Even though the connections look similar, it is not plug and play as hoped. Should I be looking at changing out sending units? Just need some detailed direction. Thanks!

Author:  Reed [ Thu Mar 06, 2025 8:39 am ]
Post subject:  Re: Gauge Cluster Swap

You will need to get the sending units for the oil pressure gauge and coolant temp gauge. You will then need to get a factory service manual and compare the wiring diagrams for the guages vs. the lights wiring harnesses and make any modifications necessary.

Author:  Charrlie_S [ Thu Mar 06, 2025 9:53 am ]
Post subject:  Re: Gauge Cluster Swap

My 84 D-100 had idiot lights. Not sure what gauges I swapped in but I think they were either 84 or 88 gauges using the stock 84 cluster assembly. All the wiring was the same. Had to swap out the senders/sensors to the gauge type.

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