BestKeys 1999 Jeep Grand Cherokee Uncut Replacement Transponder Ignition Chip Key 1999 Jeep Grand Cherokee Uncut Replacement Transponder Ignition Chip Key w/ Free DIY Programming Programming this key requires 2 working unique (not cloned) keys. If you do not have 2 working unique (not cloned) keys, you will need to have the key programmed at a locksmith or dealership. We will provide a link to our website with Free Do-It-Yourself programming instructions with your order. Huge savings over buying a replacement key from a dealership Satisfaction Guaranteed! YOUR KEY SUPPLIER is the only authorized seller of BESTKEYS products. All warranties will be voided if bought from any other sellers.