MSD 6AL Hook up to stock ignition, Which tach adapter? Wiring Diagram? |
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MSD 6AL Hook up to stock ignition, Which tach adapter? Wiring Diagram? |
ConeDodger |
Nov 19 2009, 12:13 PM
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#1
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Apex killer! Group: Members Posts: 23,622 Joined: 31-December 04 From: Tahoe Area Member No.: 3,380 Region Association: Northern California |
I am hooking up an MSD 6AL to a stock DJet distributor. Which tach adapter? Anyone know the diagram pages for the installation manual that apply? Yes, I have done a search (IMG:style_emoticons/default/biggrin.gif)
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jcd914 |
Nov 20 2009, 12:19 AM
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#2
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
Rob and I went the simple route (I subscribe to the KISS method when possible) and hooked the tach wire to the "Tach Output" on the back of the MSD box.
I will admit I cheated and read the instructions for the MSD where is says: "The MSD Ignition features a Tach Output Terminal on the side of the unit. This terminal provides a trigger signal for tachometers, a shift light or other add-on rpm activated devices. The Tach Output Terminal produces a 12 volt square wave signal with a 20% duty cycle." Jim |
ConeDodger |
Nov 20 2009, 01:24 AM
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#3
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Apex killer! Group: Members Posts: 23,622 Joined: 31-December 04 From: Tahoe Area Member No.: 3,380 Region Association: Northern California |
Rob and I went the simple route (I subscribe to the KISS method when possible) and hooked the tach wire to the "Tach Output" on the back of the MSD box. I will admit I cheated and read the instructions for the MSD where is says: "The MSD Ignition features a Tach Output Terminal on the side of the unit. This terminal provides a trigger signal for tachometers, a shift light or other add-on rpm activated devices. The Tach Output Terminal produces a 12 volt square wave signal with a 20% duty cycle." Jim Yup! Anyone need a $50 tach adapter? 8910? Frustrating as all get out. First I hooked it up and it worked but no tach. Then I went to the speed shop and got an 8910 and hooked it in. No difference. Car was running noticeably smoother and had better throttle response but no tach. Added the diode they supply but now it will not run at all. Then along comes Jim and reads the instructions. (IMG:style_emoticons/default/blink.gif) |
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