Electrical adjustments for newer seats

Asked by Sep 25, 2014 at 06:33 PM about the 1994 Chevrolet Suburban K2500 4WD

Question type: Car Customization

Trading out the 1994 front seats for 2005 seats which have heater - that is a separate
switch and likely will require a good clean connection to the fuse panel. Is there an
adaption plug for the 94 to 05 connection under the seat?

3 Answers


As the 94 was never wired for heated seats an adapter plug won't do you any good. You will have to run a separate circuit, and as this is a high amp draw you should install a relay circuit in the main feed wire and just use a switch to power up the relay. Make sure you use heavy enough wire for the main feed, at least 10 gauge.

1 of 1 people found this helpful.

Thanks for that information. Do you reckon both front seat heaters can run on the same circuit from the fuse panel? The seat controls under the drivers seat in the 94 can be extended and operate the passenger seat for all controls but heat - do I have that right?


Yes the stock setup should work for power seats, rule of thumb is don't try to move both seats at the same time. As far as one power supply for the heaters, I looked at my heated seat diagram for my rig and it shows 2 relay controls with only 1 main power supply directly from the battery, and the smaller power lead for the activation switches.

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