C4 to NP 435 swap?

[daves]

I did the swap and know my bronco won't start.
I have check the fuses the wires to the pump. The pump would make noise when the key was to the on postion, and know it makes no noise.

Before the swap it ran fine, no problems and know it just cranks but no fire.
Any ideas?

Thanks Dave

[FFMDX]

Re: C4 to NP 435 swap?

neutral safety switch???

[Fordfreak]

Re: C4 to NP 435 swap?

it cranks so nuetral safety should be ok. did the pump wires get smashed under the crossmember/bolts,is the pump relay coming on? what harness and fuel system?

[daves]

Re: C4 to NP 435 swap?

I have the rjm harness and the stock fuel injection for a 89 ford mustang.
The wires under the cross member look good.
I have 7 relays on the right side, how do you check the relays?

[House]

Re: C4 to NP 435 swap?

Check the Inertia Switch?

[Fordfreak]

Re: C4 to NP 435 swap?

to bypass the relay use a fused jumper from pins 30 to 87. power comes in pin 30 and out 87 when energized. did you swap the connector from auto to man trans yet? you could also get another relay and carry it as a trail spare if uneeded. do you have spark? that would tell you spout and pip are good and the relay should be closing for fuel pump voltage.

[Broncrick]

Re: C4 to NP 435 swap?

Silly thing that drove me nuts for days (same issues), found the harness conn from the Bronco to RJM harness at the firewall came apart under the back of the intake .... . my 02

[daves]

Re: C4 to NP 435 swap?

House what is this Inertia Switch?

Ford, I have not done that yet but would the make the fuel pump not come on?

Rick I will check the harness.

Thanks

[welndmn]

Re: C4 to NP 435 swap?

Have you checked the shader valve on the fuel rail to see if there is fuel in it?
Does it have spark?

[daves]

Re: C4 to NP 435 swap?

Have you checked the shader valve on the fuel rail to see if there is fuel in it?
Does it have spark?

What is the shader valve?

[earlybronco72]

Re: C4 to NP 435 swap?

What is the shader valve?

The thing on the fuel rail that looks like a valve stem.

[daves]

Re: C4 to NP 435 swap?

What does it do?

[Broncrick]

Re: C4 to NP 435 swap?

You can mount a fuel gauge to it..... or check to see if there is even pressure in the rails...

[daves]

Re: C4 to NP 435 swap?

OK I got a volt meter from work and Sat. morning I will start looking at it.

Thanks

[daves]

Re: C4 to NP 435 swap?

What wires do I switch and how do I switch them from the auto to thm manual?