kerristallax

Looking through the stickied wiring how-to now... It looks like if I apply +12v to the wires for pins 43 (start signal), 45 (ignition power wire), and 58 (ecu backup, unswitched +12v), and ground the engine block, it should power on? Unfortunately someone has removed the two blue relays off this motor set. To do this basic test, can I jump the wires at the relay connection for the thick red wire (ignition power relay) and the thick black/red stripe wire? It looks like this is the missing link, but I'd hate to ground something out and let the magic smoke out. Edit: this sounds like a bad idea in retrospect. Running a separate power to the thick red wire on the ignition power relay would probably be the better thing to do, if this is what's needed to power it up. I have a new wiring harness on order from Wiring Specialties. should be here in about 2 weeks... I looked in my miscellaneous used parts bin, but I don't have any 4-pin relays that are the same as the ones on the rb25 harness.

I don't know anyone else with a stock RB in my neighborhood. Thursday I'm going to dig into the motor a little bit further to make sure everything looks right, I'll try opening the ECU up and making sure that it's not contacting the board inside, and then see if I can power it up and turn the CAS by hand. This motor still has the little "Sealed" sticker over the one bolt on the CAS, I'll mark where it was before removing. Thanks

I should start a build thread here soon for my soon-to-be RB25 280z, but I have a simpler question first. I ordered an RB25det engine/transmission package off eBay from an importer in Texas. I received it last Friday. They had set the ECU on top of the motor, and something looks to have hit it in transit. It has a dent on the back. Is there any way to power on and test the ECU? The seller gave me a bunch of hassle about my request that they replace their damaged part, but is saying now that they will replace the ECU if I install it and it doesn't start, but it's going to be impossible to have the car ready to start up in their 14-day window. Maybe just open the ECU cover and look for damage?