Msd Tach Adapter Wiring Diagram - Aug 08, 2015 · Msd tach adapter pn 8920 if your tachometer doesnt work correctly after installing an msd ignition control always try to connect the tachs trigger wire directly to the tach output of the ignition. Thanks for the link i did find an original type 1966 shelby tachometer wiring diagram on tony branda it shows 4 wires out of the tach a green one. MSD 6 Series Installation Instructions 6A, 6AL, 6T, 6BTM, 6TN, 6ALN Parts Included: MSD Rev Limiters are adjustable with plug-in modules which are available in Injection Adapter to use an MSD Ignition. See pages 7 for wiring and Tach Adapter information. Feb 13, · I've bought a 2nd hand MSD with a soft touch limiter plugged in to it. I. Msd Ford Tach Wiring Schematic - Tach wiring diagram 70 chevy as well as 677111 msd tach adapter 8920 a as well as chevy wiring diagrams 131 together with options along with 2000 buick. Ford msd ignition wiring tach in addition connecting an msd ignition control to the ready to run distributor heres a diagram of the 6a l and timing. 69 gto hood.
Tach Converter Wiring Diagram 1 Mounting It is important to mount the converter away from any direct engine heat sources. Make sure the wires reach the kill switch and a 12 volt source. Wiring RED- To a switched 12 volt source. BLACK - Connect to the negative battery terminal. VIOLET - Connect to the trigger input wire of the tachometer.. Oct 05, 2005 · But the MSD diagram doesn't exactly look like my coil packs - instead of 2 wires per pack, I have 4. So which one do I VWVortex.com - Wiring help on MSD tach adapter - need + coil pack wire. The TACH output connector (which is a "no wire" connector on the 6AL box is connected to the 8920 Tach Adapter via a white wire from/to the Tach adapter. The Red wire from the Tach adapter is shown as connecting to the tach.and here is where it gets fuzzy!!!!!.
Jan 29, 2016 · The MSD box produces a square wave 22.5* output for the tach signal and doesn't work with the OEM unit. You can have RCCI modify your tach so that it will work without having to wire in that Tach adapter if you still want to use the MSD box. Those Tach adaptors are about $70.00 if you decide to keep the MSD system.. Jul 15, 2012 · So my thoughts now are to go off the yellow that the tan splices off of to connect to the red (non battery) for the MSD 6AL. The unit has a tach wire available, but I will probably need to use their tach adapter (MSD8920) to add the tach support with magnetic pickup. Or would it be possible to connect the MSD red wire to tach negative?. Re: MSD 6AL tachometer problems September 28th, 2012, 10:28 AM I sold a cable drive tach out of a 69 vette a few years ago on ebay, as I recall it didn't go for a lot of money. it came from a car that we swapped a later TPI engine into, with an HEI, we got a later stock 70s tach to use with the HEI, and it.
TACH TEST FEATURE The HI-6 includes a tach test fea-ture that can be used to test tachometers and other RPM activat-ed accessories connected to the HI-6 tach output (green wire). The tach test feature is described in greater detail in the tach hookup section starting on page 18. CYLINDER SELECT (BLUE) RETARD INPUT (BROWN / WHITE). Oct 09, 2013 · I wired up an MSD 8913 adapter to it for a tach signal. Right now its wired to the coil supply 12v wire as it states in manual. Only i have it wired in the cabin close to the ECU. Tach works, but it seems to be off if my ears serve me right. Wiring an MSD 8913 tach adapter: RB25det S14. Quote; Post by 240z4u » Tue Oct 08, 2013 12:15 pm .. Dec 02, 2012 · Interesting. thanks for the diagrams. I will give it a try. I have a 6A box that came with the car. I hooked the green wire from the tach to the negative side of the coil as per the instructions, but they did say some aftermarket Ig systems may not operate properly, so an adaptor may be required or the ground may need to come from the battery..
Jul 05, 2004 · I have an 83 GT and have replaced the Duraspark ignition system with a MSD 6AL, which in turn disables the stock tach. So I have bought a MSD tach adapter (part # 8920) and have been having issues trying to get it to work. I have followed the wiring diagrams from the MSD manual with both. May 23, 2007 · I've purchased an MSD 6AL ignition to my car. Last weekend when when I was about to connect my factory tach (I've got a 69 mach 1) I realized that I can't connect the tach to the MSD tach outlet without an adapter. I've talked to the tech line at MSD and they told me I need a 8920 tach adapter..
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