t0urb0ss 2 #1 Posted October 27, 2015 Model 73420 (1995) wiring harness from test switch to system. Can not find anywhere as I have some broken connections. Anyone know of source for this? Share this post Link to post Share on other sites
Save Old Iron 1,571 #2 Posted October 29, 2015 (edited) somewhere on this site i posted reverse engineered schematics i created a year or two backlet me do a search and check Does your system have the 9 pin connector leading to the circuit board?If so, a simple switch to apply 12 volts to the grey wire on pin 5 of the circuit board connector is all it takes. Edited October 30, 2015 by Save Old Iron Share this post Link to post Share on other sites
