Tach plug

Does it have spark? And other questions...

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Tach plug

Postby 12valve350 » Thu Oct 07, 2010 4:56 am

Im (really) interested in installing a factory tach in my 90 D350 and ive crawled under my dash and found a few plugs that go nowhere but im wondering what the one for the tach looks like. If possible id like to see a pic of one to confirm ive got the plug or not before buying said tach. thanks for the help! :D
Six in a row makes 'er go, Eight in a v, theres nothin' too see!
12valve350
fuel screw!!!!
 
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Re: Tach plug

Postby 12valve350 » Thu Oct 07, 2010 4:59 am

opps apparently i didnt see the other thread about this... :roll:
Six in a row makes 'er go, Eight in a v, theres nothin' too see!
12valve350
fuel screw!!!!
 
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Re: Tach plug

Postby Richie O » Thu Oct 07, 2010 8:32 am

Your 90 won't have the plug. Sorry.
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Re: Tach plug

Postby BobS » Thu Oct 07, 2010 8:50 am

My 90 parts truck has the factory tach. I was comparing crankshaft sensors yesterday and the factory 92 uses 3 wires to the sensor where as the 90 sensor only has 2 wires. I need to do a bit more probing around to figure this one out.
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91.5 W250 NV4500 Conversion
89 D350 Stock
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14mm rotor
 
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