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Ranger Tachometer Install |
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'Where To Hook Up The Green Wire'
(For Autometer Tachometers) |
The green wire reads the electrical pulses from the ignition. For most standard ignitions it connects to the distributor primary or negative (-) side of the ignition coil.
WARNING: Do not connect to coil on MSD ignitions. Some electronic ignitions have a tach terminal on the ignition box, the green wire may connect there. Before installation read instructions. For new ignitions without distributors, contact the Auto Meter customer service department for more information.
For 1993 and 1994, depending on the size of the motor, you can do the following:
2.3L - off the PCM (powertrain control module) go to pin 4, which is a tan wire with a yellow stripe. Or, go to the ICM (ignition control module) and splice pin 12, which is a tan wire w/yellow stripe - this is the same for the 4.0L, too,
except for the ICM connection, it will be pin 2 instead of 12.
3.0L, off the PCM the tach signal will be pin 4, which is a white wire with a pink stripe. Or, you can go to the ICM, and splice into pin B, which will be a tan wire with a yellow stripe.
1995 to present: You can splice into the PCM, which should be mounted on the passenger side firewall/fenderwell. You will need to splice into pin number 48, which will be a brown or tan wire with a yellow stripe, to obtain your engine RPM signal.
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