* The sticker on the driver's side doorjamb: This sticker usually lists the recommended tire size and inflation pressure.
* The tire itself: The size is molded into the sidewall of the tire (e.g., P235/75R15).
* The owner's manual: This should specify the recommended tire sizes.
Without knowing the specific Tahoe, it's impossible to give a definitive answer. However, common tire sizes for the 1995 model year likely included sizes in the 235/75R15 or similar range.