If youre CEL isn't turning on, its probably the computer. If your CEL comes on as soon as you turn the key, probably not the computer. Been putting off replacing mine for about 3 months, but if finally shit the bed, as they say. Buying new from Chrysler, $550 approx. Used are VERY hard to find, though I have seen them on ebay from time to time.
I just had my computer for my 95 repaired for $187 and it starts up instantly now. website is
www.siaelec.com. Fast turnaround and excellent service, highly recommend them!