How to hook up tach? - Pirate4x4.Com : 4x4 and Off-Road Forum

mcleod · 03-29-2008, 04:40 AM

I have a 97 f150 witg the 4.2 2wd. I am wanting to hook up an aftermarket tach. but need some help. The directions say to hook one wire to the white wire with a pink stripe from the power control module. It should be on the pass. side of the truck. I looked under the hood but can't find the wire. Where is the PCM? There is one huge cluster of wires on the fire wall on that side and I looked for the wire they told me to but I couldn't find it. Am I looking in the wronge spot?

Panthers65 · 03-29-2008, 06:28 AM

try asking over at v6f150.com. Bunch of guys specialized in the 4.2L F-150's. Mostly racing guys, but they know what they're talking about

f250rollinon37s · 03-29-2008, 07:48 PM

the huge wire you speak off is the ECM plug - the wires are outside the cab - the ecm is under the pass kick panel - it is around 1.5" x6x7

but i dont know which wire it is -

svt150j49 · 03-29-2008, 07:56 PM

Quote:

Originally Posted by mcleod

I have a 97 f150 witg the 4.2 2wd. I am wanting to hook up an aftermarket tach. but need some help. The directions say to hook one wire to the white wire with a pink stripe from the power control module. It should be on the pass. side of the truck. I looked under the hood but can't find the wire. Where is the PCM? There is one huge cluster of wires on the fire wall on that side and I looked for the wire they told me to but I couldn't find it. Am I looking in the wronge spot?

the word "wrong" does not contain the letter E.

recoiljunky · 03-30-2008, 08:11 AM

How much longer before one of the flamers comes along?

03-29-2008, 04:40 AM	#1 (permalink)
mcleod Registered User Join Date: Jul 2006 Member # 75732 Posts: 10	How to hook up tach? I have a 97 f150 witg the 4.2 2wd. I am wanting to hook up an aftermarket tach. but need some help. The directions say to hook one wire to the white wire with a pink stripe from the power control module. It should be on the pass. side of the truck. I looked under the hood but can't find the wire. Where is the PCM? There is one huge cluster of wires on the fire wall on that side and I looked for the wire they told me to but I couldn't find it. Am I looking in the wronge spot?

03-29-2008, 07:48 PM	#3 (permalink)
f250rollinon37s MASTER TECH Join Date: Oct 2005 Member # 54844 Location: Northern cali Posts: 3,435	the huge wire you speak off is the ECM plug - the wires are outside the cab - the ecm is under the pass kick panel - it is around 1.5" x6x7 but i dont know which wire it is - __________________ BSW Racing, Calrocs Super mods 12 & ? Driver: Aaron Whitehead - Driver: Joe Hutchins Spotter: Adam Kovarik - Spotter: Dustin Knight Crew Cheif: me fuckers build up of the truggy /forum/ford/544813-update-pics.html

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03-29-2008, 06:28 AM	#2 (permalink)
Panthers65 Registered User Join Date: Apr 2005 Member # 45530 Posts: 1,317	try asking over at v6f150.com. Bunch of guys specialized in the 4.2L F-150's. Mostly racing guys, but they know what they're talking about

03-30-2008, 08:11 AM	#5 (permalink)
recoiljunky Registered User Join Date: Sep 2007 Member # 99761 Location: Dothan, Alabama Posts: 350	How much longer before one of the flamers comes along?