Ignition switch failure?
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- TooManyIdeas
- Posts: 120
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- Location: Albuquerque NM -VEGAS BOUND
Ignition switch failure?
It was bound to happen to a 25 year old truck. The Ignition lock will cycle the glow plugs but not crank. Anybody know how much a new one is? And if its a special order? Or maybe even how to fix the thing?
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- asavage
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You need to diagose this further.
Have you jumpered to the small (5/16" male spade terminal) on the starter and verified that the starter is operational?
If that's OK, remove the plastic around the Ign. switch/MF switch. You can check for power in the Start position on the Blk/Red wire, as shown in the 1982 FSM, page EL-11.
.
If there's power there, then you have a wiring problem. No power at the Blk/Red wire in Start position? Probably a bad Ign. switch, not the lock but the switch. The switch is still available, it comes off with one or two small phillips-head screws, and Philip found the correct switch via a Subaru application -- Subaru & Nissan used the same lock hardware in those years.
I have a Nissan NOS Maxima switch, but I might have a used 720 switch as well.
Maxima switch shown (720 similar):
Have you jumpered to the small (5/16" male spade terminal) on the starter and verified that the starter is operational?
If that's OK, remove the plastic around the Ign. switch/MF switch. You can check for power in the Start position on the Blk/Red wire, as shown in the 1982 FSM, page EL-11.
.
If there's power there, then you have a wiring problem. No power at the Blk/Red wire in Start position? Probably a bad Ign. switch, not the lock but the switch. The switch is still available, it comes off with one or two small phillips-head screws, and Philip found the correct switch via a Subaru application -- Subaru & Nissan used the same lock hardware in those years.
I have a Nissan NOS Maxima switch, but I might have a used 720 switch as well.
Maxima switch shown (720 similar):
Regards,
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
- asavage
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The wiring diagram indicates that the 720's switch has a pigtail, as opposed to the Maxima's switch. I don't seem to have a spare 720 switch around here. Philip, can you comment on this?
Regards,
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
- asavage
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A multi-wire connector & harness ("pigtail") is what I meant.philip wrote:I recall a single multiblade connector on the harness but I'm not recalling a single wire pigtail.
Regards,
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
- TooManyIdeas
- Posts: 120
- Joined: 17 years ago
- Location: Albuquerque NM -VEGAS BOUND
I was wondering about the starter today but as of yet it has given me no tell tale signs of failure IE clicking, grinding, less torque. And I don't think I did anything to disturb the wiring, but I'll diagnose the starter tonight, but I think the switch itself is broken. It twists CCW well past the key release (didn't do that yesterday) and doesn't spin far enough CW to reach the ignition poll.
82 Datsun 720 King Cab Diesel - FOR SALE !!!!
85 Chevy Monte Carlo CL
90 Toyota Pickup -SOLD
05 Kia Spectra 5
02 Dodge Dakota Quadcab
-OOOOOOOOHHHHHHHHH YEAH!!!!!
85 Chevy Monte Carlo CL
90 Toyota Pickup -SOLD
05 Kia Spectra 5
02 Dodge Dakota Quadcab
-OOOOOOOOHHHHHHHHH YEAH!!!!!
- asavage
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I haven't had one of them apart in a while, and I can't recall whether the switch limits the lock cylinder travel, but it usually doesn't. You might be right: the lock may be broken.
And I don't think I have any spares (I've sold several to members here, that I've scavenged from JYs and made new keys for) . . . no, unless I have some in far storage, I don't, and ASP doesn't make a replacement assy, only the lock core ($40). Now you know why I pull them at JYs when I find good ones.
And I don't think I have any spares (I've sold several to members here, that I've scavenged from JYs and made new keys for) . . . no, unless I have some in far storage, I don't, and ASP doesn't make a replacement assy, only the lock core ($40). Now you know why I pull them at JYs when I find good ones.
Regards,
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
- asavage
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I picked up two lock assys. at the JY today, neither have keycodes or keys. They both have no pigtail on the switch.
So I've got a couple of used switches, if you think you need one, and if the lock's broken, I can probably fit a key to one of these and resell the thing to you. I've been getting $35 for the lock assy with two new keys.
-------------
Saw an '84 gasser 720 4WD with a tilt column today. Didn't know it was an option. Got a brown door panel off a black '85 for the Yellow "Arlington Truck". And another MF Switch, no pigtails ('84). Nissan must have gone to the pigtail version MF Switch in '85 or '86.
So I've got a couple of used switches, if you think you need one, and if the lock's broken, I can probably fit a key to one of these and resell the thing to you. I've been getting $35 for the lock assy with two new keys.
-------------
Saw an '84 gasser 720 4WD with a tilt column today. Didn't know it was an option. Got a brown door panel off a black '85 for the Yellow "Arlington Truck". And another MF Switch, no pigtails ('84). Nissan must have gone to the pigtail version MF Switch in '85 or '86.
Regards,
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
Al S.
1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
- TooManyIdeas
- Posts: 120
- Joined: 17 years ago
- Location: Albuquerque NM -VEGAS BOUND
Smacking the thing works well
I found hitting the switch gets the things working well for now. I figure I'd just get the new lock assembly so that I won't have to fave this for another 25 years. I appreciate your help though, Mr. Savage
82 Datsun 720 King Cab Diesel - FOR SALE !!!!
85 Chevy Monte Carlo CL
90 Toyota Pickup -SOLD
05 Kia Spectra 5
02 Dodge Dakota Quadcab
-OOOOOOOOHHHHHHHHH YEAH!!!!!
85 Chevy Monte Carlo CL
90 Toyota Pickup -SOLD
05 Kia Spectra 5
02 Dodge Dakota Quadcab
-OOOOOOOOHHHHHHHHH YEAH!!!!!
- philip
- Deceased
- Posts: 1494
- Joined: 18 years ago
- Location: Southern California, USA
The right switch for my '82 720 with steering column lock was listed for a 1978 or 1980 Subaru. ALL the part books found the same "looking" part that also show those older Nissan MAXIMA.
ALSO ... for some reason the peg does not push into the steering column LOCK via the key. This particular truck has never worked.
ALSO ... for some reason the peg does not push into the steering column LOCK via the key. This particular truck has never worked.
-Philip
Passed 08May2008
My friend, you are missed . . .
1982 Datsun 720KC SD-22
"Im slow and I'm ahead of you"
Passed 08May2008
My friend, you are missed . . .
1982 Datsun 720KC SD-22
"Im slow and I'm ahead of you"
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