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The donor car was wrecked with 2400 miles so the engine/trans is like new with a custom SS chambered exhaust. Installed a Reilly Alterkation front end and Street Lynx rear, coil over suspension. Green bearing'd 3.93 SG 8 3/4 rear. Custom shaft. Custom red/black themed interior. Dakota Digital...
Starter Motor: There are2connections to be made for the starter, the starter battery connector and the starter solenoid connector. These wires will need to be extended if the starterwill be placed on the driver side of the vehicle. The starter battery connector eyelet may not becompatible with...
The fuel pump relay is in a "Power Distribution Box" and is totally controlled by the ECM. I dont have access to the control line unless I splice into it. However, the "Fuel Pump Feed" which is the output of the relay when it's energized, only has power for 3secs after KeyOn, not when cranking...
Question: does the ECM want to see some RPM before supplying voltage to the fuel pump during crank? I don't think there's a feed to the ECM from the tach circuit, maybe that's the problem?
Checked the plugs, dirty so cleaned them, reinstalled. Same problem. No start. I put some gas on the air filter, and it started - ran perfect.
Fuel pump feed has power on it for 3 secs after key-on, then dead, even while cranking, until engine is started. After engine start, full 12V. Stumped.
While I agree with your point that the pump SHOULD run while cranking, this is a factory manufactured harness and ECM kit. I'm concerned that doing an addon kind of thing to it will damage something. Has anyone here installed one of these kits and did you have to add on a relay? Please post a...
There is no fuel pressure gauge bung, I ran the fuel lines from the tank to a connection on the driver side fuel rail - see photo. I checked the fuel flow and its excellent. The voltage for the pump in the tank goes to 12V then shuts off after about 3 secs. When cranking there is 0 volts. I...
The ignition switch issue could be part of it. I mean, I wired the fuel pump to an accesory position in the fusebox aftermarket wiring harness (American Autowire B body kit) to get around the "FUEL PUMP RELAY CONTROL' line problem I mentioned earlier. If that accessory position loses voltage...
When I disconnected the fuel line from the in-tank pump, there was a steady stream with significant volume coming out with the pump on. But yes, I do have a FP gauge. Can you tell me where the fuel pressure gauge nipple is on the 392? Thanks!
This install is for a 2014 392 in a '69 Charger. I have the 'Crate Hemi Engine Kit' - 77072454AB. The engine runs - once it starts. Multiple cranks, sometime several minutes.
I looked at the header - PDB1 (marked "PDBA on mine) going into the power distribution center. The 'FUEL PUMP FEED'...