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08-13-2017, 06:27 PM
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#21
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Name: GAmes
Title: Retired Apache pilot
Status: Not Here
Join Date: Jun 2012
Location: Killeen, TX
Member`s Gallery
Posts: 271
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Quote:
Originally Posted by Tobin
You provided nothing constructive.
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A true statement if everyone who read my original post is as closed minded to accuracy and as adverse to learning something new as you seem to be.
__________________
'97 Dodge 3500, G56, slightly bombed, A million+ miles, started 2nd million on 8/24/13 Now past 1.3 million and going strong.
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08-14-2017, 06:29 AM
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#22
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,506
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Quote:
Originally Posted by biggy238
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I "think" it is so you have a clean 0 to +12v signal. A electrical guru would be better at explaining it.
Quote:
Originally Posted by GAmes
A true statement if everyone who read my original post is as closed minded to accuracy and as adverse to learning something new as you seem to be.
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Okay, you won or whatever or something. Good job, move on.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-14-2017, 04:58 PM
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#23
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Name: DieselWrencher
Title: 6cyl Vette
Status: Not Here
Join Date: Dec 2006
Location: Mitchellville, Ia
Member`s Gallery
Posts: 2,886
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Quote:
Originally Posted by Tobin
I am not sure if the +12v will work. I am scared to try it and fry a $100 sensor. I tried hooking up +12v to a 94/95 +8v sensor and it didn't work but the sensor could have been bad in the first place. I am not sure the extra voltage would kill it.
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From the research I've done on this, guys have been using 12 volts on them for a while. Now, with which CPS, I'm not sure. This is where I first saw the info years back. I helped wire a friend's conversion and his worked with 12 volts. I'm not sure of the year of the sensor because I robbed one from one of my core engines and we stuck it on his p-pumped 24v in his chevy. He sold it a while back so I don't know how it did after that. He did daily drive it for 2 years and the tach never failed while he had it.
how to get your tach to work with the stock 12 valve CPS (crank position sensor))
__________________
1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
Last edited by DieselWrencher; 08-14-2017 at 05:00 PM.
Reason: Can't type
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08-14-2017, 09:14 PM
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#24
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,506
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Thanks DieselWrencher. That is the write up I used. When I tried it on my '97 before I pulled the motor, I just used the ECM to power the sensor (+5v) but I didn't think about it at the time. Maybe I'll just try it with +12v and see what happens since it worked for you. Did you use a 1k Ohm resistor? Did you add any more notches in the balancer?
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-14-2017, 10:00 PM
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#25
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Name: DieselWrencher
Title: 6cyl Vette
Status: Not Here
Join Date: Dec 2006
Location: Mitchellville, Ia
Member`s Gallery
Posts: 2,886
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I did use a 1k ohm resistor, and I didn't add any notches to the balancer. We set the tach to 4cyl. I have some resistors left and if you want I'll send you a couple.
__________________
1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
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08-15-2017, 09:16 PM
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#26
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,506
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Quote:
Originally Posted by DieselWrencher
I did use a 1k ohm resistor, and I didn't add any notches to the balancer. We set the tach to 4cyl. I have some resistors left and if you want I'll send you a couple.
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Appreciate the offer but I got some here. I might just try the 12v and be done with it.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-15-2017, 09:32 PM
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#27
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Name: Ram12vcummins
Title: Too Much Time
Status: Not Here
Join Date: Mar 2015
Member`s Gallery
Posts: 1,659
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Quote:
Originally Posted by DieselWrencher
I did use a 1k ohm resistor, and I didn't add any notches to the balancer. We set the tach to 4cyl. I have some resistors left and if you want I'll send you a couple.
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Does wattage matter on the resistor?
Sent from my iPad using Tapatalk Pro
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08-28-2017, 09:13 AM
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#28
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,506
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Quote:
Originally Posted by DieselWrencher
From the research I've done on this, guys have been using 12 volts on them for a while. Now, with which CPS, I'm not sure. This is where I first saw the info years back. I helped wire a friend's conversion and his worked with 12 volts. I'm not sure of the year of the sensor because I robbed one from one of my core engines and we stuck it on his p-pumped 24v in his chevy. He sold it a while back so I don't know how it did after that. He did daily drive it for 2 years and the tach never failed while he had it.
how to get your tach to work with the stock 12 valve CPS (crank position sensor))
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Thanks DieselWrencher, I got brave and just used 12v and it works fine with the 96-98 CPS.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-28-2017, 08:21 PM
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#29
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Name: DieselWrencher
Title: 6cyl Vette
Status: Not Here
Join Date: Dec 2006
Location: Mitchellville, Ia
Member`s Gallery
Posts: 2,886
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Quote:
Originally Posted by Ram12vcummins
Does wattage matter on the resistor?
Sent from my iPad using Tapatalk Pro
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I can't remember how big of one I got wattage wise. It shouldn't need a large one since their isn't a lot of load here IMO.
__________________
1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
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08-28-2017, 08:21 PM
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#30
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Name: DieselWrencher
Title: 6cyl Vette
Status: Not Here
Join Date: Dec 2006
Location: Mitchellville, Ia
Member`s Gallery
Posts: 2,886
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Quote:
Originally Posted by Tobin
Thanks DieselWrencher, I got brave and just used 12v and it works fine with the 96-98 CPS.
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Good deal, I'm glad to hear that.
__________________
1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
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