No crank, no start: 1995 M-11 in Plainview TX

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No crank, no start: 1995 M-11 in Plainview TX

June 10, 2017, 06:45:15 pm

Great trip until now: After refueling, no crank situation. Dash has power, dash fan, etc. voltage doesn't dip when ignition is "keyed on" to start. All fresh Red Tops with clean install two months ago.

VDO shows 11v at rest, key on. Genset running. Called Coachnet and we are holding at WalMart fuel pumps. Blue Sea solenoid was installed last summer and is tight. Remote start in engine well doesn't crank. Thoughts?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #1 – June 10, 2017, 06:52:52 pm

Parking brake set? Did you try the boost Sw?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #2 – June 10, 2017, 06:54:20 pm

When you turn the ignition on do the gauges and warning lights activate?

Can you manually apply +12v to the control side of the solenoid?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #3 – June 10, 2017, 07:00:43 pm

Mark & Bruce--yes on Park Brake and gauges, warning lights. Have not applied 12v. independently. Boost worked in past. Thanks.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #4 – June 10, 2017, 07:01:27 pm

Paul - check this thread from Roland Begin for some ideas

Stuck on the fuel isle

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #5 – June 10, 2017, 07:08:27 pm

Can you verify your start batteries are charged?If boost switch works then your batteries are not charging while driving,if that is the
case then check alternator.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #6 – June 10, 2017, 07:12:00 pm

Check voltage at the engine batteries. Should have mid 12V. Voltage good, go to below.

Check for juice with test light at the starter solenoid. If you only have one starter solenoid (no remote), jump the big hot side to the small terminal. If that does not work, jump the solenoid's two big terminals.

If battery voltage is good but no voltage at the starter solenoid, pull connections at the battery and clean.

Pierce

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #7 – June 10, 2017, 07:14:54 pm

check and clean battery termials on your start batteries

I had that same problem in the past

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #8 – June 10, 2017, 07:16:48 pm

Take a hammer and gently massage on the start solenoid that is mounted on your isolator panel (not the one under the dash kick panel) while 2nd person is holding the key to the start position. If no joy try the same thing to the solenoid on the starter. Now I don't mean to beat the feces out of them just a gentle persuasion. This may get you off the fuel island.

Pamela & Mike

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #9 – June 10, 2017, 07:18:29 pm

Is the coach transmission selector in the normal start position? Double check it. Triple check it! Common problem with vehicles with safety interlock.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #10 – June 10, 2017, 07:27:16 pm

That happened to my '95 after I sold it.
They found a loose connection on the starter.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #11 – June 10, 2017, 07:28:17 pm

No Allison display w/ Key on! I do remember putting in Neutral put didn't check display. It should be illuminated at key on , right?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #12 – June 10, 2017, 07:30:44 pm

Have you tried the remote start switch in the engine compartment?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #13 – June 10, 2017, 07:35:35 pm

Ok. Now we have something. No Allison display usually means no communication between the Allison ECU and shift pad. First thing to do is find the ECU and reconnect the connectors. This may fix it. Nothing will happen until you get the communication linked.

You probably have a display there of a diagonal line and a dash line which Allison calls "cat eyes".

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #14 – June 10, 2017, 07:37:14 pm

.............another thing is.....and I know this sounds silly, but it works........run a hair dryer on the ECU about 10 minutes and it may start.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #15 – June 10, 2017, 07:51:33 pm

The Allison pad guy said the later pads were not helped by the hair dryer. Sealed

He suggested removing and reinstalling the connecting plug on the box ten times.

Maybe at the top end in the left console also.

11 volts is low without the starter turning.

Twist the engine start batteries cables?

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #16 – June 10, 2017, 07:53:38 pm

On my 96 unit a single wire partially pulled out of connector to shifter. Pushed all the wires back in and everything worked. Likely something similar in that or other connector.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #17 – June 10, 2017, 08:09:28 pm

Quote from: Caflashbob – June 10, 2017, 07:51:33 pm

The Allison pad guy said the later pads were not helped by the hair dryer. Sealed

The Allison guy said I needed a $3000 ECU, too. But the hair dryer worked and ECU was repaired for 600. His '95 and my '94 are the same. Might not work, but worth a try.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #18 – June 10, 2017, 08:22:28 pm

If you want to slip under the back. Find the starter,have key on ,Park brake set,and using a screwdriver jump the small terminal on starter solenoid to large battery terminal that should spin started and engine should at least start. weather it will go into gear is to be determined.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #19 – June 10, 2017, 08:54:52 pm

The attached may help:

It shows the sequence of events from turning key to start and engine cranking for our coach.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #20 – June 10, 2017, 09:02:43 pm

Quote from: Caflashbob – June 10, 2017, 07:51:33 pm

The Allison pad guy said the later pads were not helped by the hair dryer. Sealed

He suggested removing and reinstalling the connecting plug on the box ten times.

Maybe at the top end in the left console also.

11 volts is low without the starter turning.

Twist the engine start batteries cables?

Flash, there is a big difference between the touch pad and the ECU.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #21 – June 10, 2017, 10:00:49 pm

Started! Unplugged the ECM at the footwell and replugged. Bingo. Thanks to everyone. More later...once I get away from the pumps! Floor it? You betcha. Thanks again!

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #22 – June 10, 2017, 11:00:44 pm

Congrats. Loose/dirty connection can create havoc.

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #23 – June 10, 2017, 11:06:55 pm

Connectors at both ends was what I said. easier at the ECU. More complicated to take the console apart

Re: No crank, no start: 1995 M-11 in Plainview TX

Reply #24 – June 11, 2017, 12:03:13 am

Reboot all the high tech stuff and realize, just like your gadgets they tend work awesome when they work. When they fail, they don't limp very well if at all. Truely mechanical is more easily diagnosed and repaired or put into limp mode. JMO. Glad you got going again.

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