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Turn key, no start - Mrkentee - 03-05-2022
Every so often when I turned the key to start my truck, it wouldn’t do anything the first time, sometimes twice. Then one day it wouldn’t start after several tries. I banged on the starter, and it started right up. So I replaced the starter, and the “P” lead broke off when I took it apart. Aha! That was it.
Well, it wasn’t. Still did it off and on. I replaced the switch. Soon enough, it was doing it again.
I found that the solenoid was throwing out, but starter wouldn’t turn.
I have searched in vain for the starter relay, and I don’t think this truck has one. I pulled them all and it still started. I think it’s controlled by the cecu cab controller. So I cleaned up the grounds, and we’ll see how it goes.
Any ideas? It’s a 2010 Peterbilt 386.
RE: Turn key, no start - tree98 - 03-05-2022
(03-05-2022 )Mrkentee Wrote: the “P” lead broke off when I took it apart. Aha! That was it.
Well, it wasn’t. Still did it off and on.
Don't you hate when that happens.
RE: Turn key, no start - Nilao - 03-05-2022
2010 peterbilt should be on the firewall passenger side...it is on my 2009....there is 2 large 70amp relays there. One is ignition other is starter.
RE: Turn key, no start - Mrkentee - 03-05-2022
(03-05-2022 )Nilao Wrote: 2010 peterbilt should be on the firewall passenger side...it is on my 2009....there is 2 large 70amp relays there. One is ignition other is starter.
I’ll look again.
RE: Turn key, no start - Nilao - 03-05-2022
I should clarify...the firewall out in the engine bay...
RE: Turn key, no start - Mrkentee - 03-06-2022
[attachment=8322]
(03-05-2022 )Nilao Wrote: I should clarify...the firewall out in the engine bay...
Nothing there. All I have is these two big fuses. I’m going to check under the dash on passenger side where the wires go in.
RE: Turn key, no start - Mrkentee - 03-06-2022
[attachment=8325][attachment=8323I found these connectors under the dash. Can anyone interpret these numbers?
RE: Turn key, no start - tree98 - 03-06-2022
They probably correspond with the wiring schematic. Not very useful without it.
RE: Turn key, no start - Mrkentee - 03-06-2022
(03-06-2022 )tree98 Wrote: They probably correspond with the wiring schematic. Not very useful without it.
I unplugged and no starter at all. There’s supposed to be a relay for that system you can bypass, but I can’t find it, or the starter relay. It’s like there’s another fuse panel somewhere that I just can’t find.