DME-02, DME Control Unit Chip Installation (Including KLR Chip for Turbos)
Other Procedures Needed
Before removing the old chip (Turbocharged cars) make sure you have identified the correct chip for installation. On 1988 model and newer cars this is simplified because the DME control unit uses a 28 pin chip while the KLR Unit uses a 24 pin chip. However, pre-1988 model cars all use a 24 pin chip for both the DME and KLR. For turbocharged cars, it's a good idea to mark the old chips before removal to identify which control unit it came from, just in case you decide to go back to the factory chips in the future. Also, make sure you look at how the chip is oriented in the socket before removal (All cars). There is an indent on one end of the socket and on one end of the chip. If the new chip is not installed such that the indents line up, the chip may be permanently damaged.
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