Viper 7341v do not work after changing the batteries,why? A common problem is the battery tab on the circuit board. We repair this by reheating the solder joint Bitwriter®, Code Hopping™, Doubleguard®, ESP™, FailSafe®, Ghost Switch™, must be unlocked with the 998T - this cannot be done manually with the Valetthe 998T Bitwriter. ® . Any of the settings can be changed and then assigned to a particular trans-. mitter, up to four, a feature called Owner Recognition. Takes the guesswork and time out of programming; Includes 4 pin connector for newer style Clifford and Viper products; Also includes standard 3 pin harness, 9v DEI Bitwriter User Guide - Hello everyone here.n I have learned a lot in the last bitwriter viper, bitwriter c#, bitwriter 998, bitwriter 998t for sale. purposes refer to the owner's manual. Primary Harness Wiring Instructions If the system was previously programmed using the 998T Bitwriter, 998t bitwriter - Im looking at buy a 998T Bitwriter.just wondering the valet button. download the install manual for any viper alarm you NOTE: A dual diode harness assembly is provided (Viper model only) for European possible when programming the unit via the 998T Bitwriter®. View online (3 pages) or download PDF (35 KB) DEI Bitwriter Quick start Guide 998T Bitwriter BASIC KEYPAD FUNCTIONS POWER Powers the unit ON or OFF.