I've had my 1986 m1009 for a few weeks and it used to start right up in no time.Lately the "wait" light has been on for alot longer before starting, and both battery lights stay on while I'm trying to start it, it takes awhile for the engine to catch and start up. I'm wondering if one or both batteries could be going, or if it might be an alternator issue. When the truck finally does start it idles really loud and rough for awhile and clicks like it's switching power sources. The batt gauge sits in the middle between "generator" and "battery". I need to fix the issue soon because the colder it gets, the harder it'll be to start. Do these trucks need to be plugged in in the winter, or does the 24v starting system do the trick when it's working properly?
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Battery, alternator or glow plug issue...
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mangus580
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Sounds like your glow plugs are failing...and you are noticing it more as it cools off outside...
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Once it's running, does the battery guage get up to reading in the green, at the white line?
Croatan_Kid
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Speaking of glow plugs....I think I'm in need of a new temp sensor for the glow plug circuit and I'm seriously considering putting in a whole new set of glow plugs while I'm at it. Where would be a good and inexpensive place to get those items? I can't remember if the plugs are 12 or 24 volt, so I didn't know if I could run to a parts house and get them or what I needed to do, same with the temp sensor. I think the rubber around the top of the sensor is rotted away and the connections got corroded because I noticed today that my WAIT light quit coming on, but I'll know for sure in the morning after a cold start.
mangus580
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The plugs you want are Wellman 070's. They can be found on ebay at the best price.
My temp sensor crapped out about a year ago.... I wired it 'bypassed' and it has been that way ever since. Sad part is.... I have a replacement!!
My temp sensor crapped out about a year ago.... I wired it 'bypassed' and it has been that way ever since. Sad part is.... I have a replacement!!
RE: Re: RE: Battery, alternator or glow plug issue...
ok, it gets up into the green, then there's a "click" like it's switching between power and it dips into the yellow, a few seconds later it'll click again and go back into the green..this goes on for awhile and eventually stops after a minute or so. The "generator" lights on the dash finally go out during, or right after.
ok, it gets up into the green, then there's a "click" like it's switching between power and it dips into the yellow, a few seconds later it'll click again and go back into the green..this goes on for awhile and eventually stops after a minute or so. The "generator" lights on the dash finally go out during, or right after.
mangus580
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RE: Re: RE: Battery, alternator or glow plug issue...
The clicking & power drop you see... should be your glow plugs cycling.
The clicking & power drop you see... should be your glow plugs cycling.
RE: Re: RE: Battery, alternator or glow plug issue...
That's a relief, I was wondering what that was, I had both batteries tested, and both are good, that leaves the glow plugs and the alternators. I found the plugs on ebay, I figure they probably need to be changed either way, I don't have any service records for this thing.
I tried putting in a cd player and must've messed the wiring to the battery up in the fuse box, the radio keeps shutting off and turning on again.
That's a relief, I was wondering what that was, I had both batteries tested, and both are good, that leaves the glow plugs and the alternators. I found the plugs on ebay, I figure they probably need to be changed either way, I don't have any service records for this thing.
I tried putting in a cd player and must've messed the wiring to the battery up in the fuse box, the radio keeps shutting off and turning on again.
gasser
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mangus580 said:
<cough> <cough> ... and who gave you that? Geez .....
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Group 31's are easier to get than 6TL's and they are plenty stout. They also fit right in the battery trays, although you have to move the hold-down studs to the inner holes if it currently has 6TL's...