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1998 dodge pu tach + wts


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Platinum - Posts: 5,352
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Joined: November 01, 2003
Location: Alberta, Canada
Posted: September 29, 2005 at 7:45 PM / IP Logged  
Just had laser eye surgery and I am having trouble seeing the color bands on some wires. I have here a 1998 Dodge pu and need the wait to start and tach lines, their location would be kinda handy as well. I should be ready to go on this part of the install in about 20 minutes. I cannot see any infernal stupid little plugs on the engine side of the firewall in the center either. Engine is a 5.9L 6 cylinder TIA
Top Secret, I can tell you but then my wife will kill me.
larkster 
Copper - Posts: 98
Copper spacespace
Joined: October 04, 2003
Location: Canada
Posted: September 29, 2005 at 8:30 PM / IP Logged  

there is two plugs in the engine compartment on at the top of the firewall near the master cylinder the tach wire is grey/light blue or grey/black.  the wait to start light is negative ORANGE / black.  it is also found under the dash in the bulkhead connector harness

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Platinum - Posts: 5,352
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Joined: November 01, 2003
Location: Alberta, Canada
Posted: September 29, 2005 at 8:50 PM / IP Logged  
Found the tach line, next up is the wts. Either I can't see (highly likely) the right wire for the wts or I am testing the wrong ones.
Top Secret, I can tell you but then my wife will kill me.
mo12v 
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Posted: September 29, 2005 at 8:52 PM / IP Logged  

ORANGE / BLACK At PCM. Can Also Be Found At 74 Pin Connector Behind Instrument Cluster.

MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
gus1 
Gold - Posts: 1,013
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Joined: October 15, 2003
Location: Canada
Posted: September 29, 2005 at 11:12 PM / IP Logged  
Also... ORANGE / black in large connector beside ebrake. -ve. Only orange black in there smaller than 14ga.
Gus
Wherever I go, that is where I end up......
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Platinum - Posts: 5,352
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Joined: November 01, 2003
Location: Alberta, Canada
Posted: October 05, 2005 at 6:27 PM / IP Logged  
So, the starter is staying engaged too long. There is absolutely no black / grey wire at the pcm, there is absolutely no two harnesses hanging on the center firewall. Anyone else have any ideas? The wire we did find and use was a grey / black wire found in the main harness on the firewall on the driver side.It read 5.9 VAC and does not change with rpm.
The vehicle again is a Dodge Ram 3500 Diesel 5.9L
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Velocity Motors 
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: October 05, 2005 at 9:34 PM / IP Logged  

Tach: Tan/ Yellow at cam sensor (AC). 3 pin connector for tac can be found behind top rad hose coming from the cam sensor

Try this Rob. Sorry for the late reply.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
dantemax 
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Joined: October 08, 2005
Location: United States
Posted: October 14, 2005 at 12:17 PM / IP Logged  
I have a 97 Ram Diesel I connected mine right at the plug on the very front of the Engine. There is a small wire bundle coming up from the Crank shaft pulley.  Hope it helps.(Mine worked great for a day, I cant find the problem now just keeps cranking was wondering if there was any other way to send a signal to sense that engine had started?)

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