 Spark Plug Wiring For 89 740 Turbo, Which wires go to which plug? |
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| Spark Plug Wiring For 89 740 Turbo, Which wires go to which plug? |
 Jul 11 2005, 07:33 AM
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#1
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Newbie Group: Members Posts: 18 Joined: 16-June 05 Member No.: 5,538 Status:  Location: Nashville, TN Drives: 1989 Volvo 740 Turbo  |
I tried changing plugs last night and wires, and one of the plugs wouldn't fire. During the troubleshooting process though I lost track of the wires and have searched through my maintenance CD and the internet and can't find the ridiculously simple diagram that states which wires go where! Can someone please help?
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Jul 11 2005, 10:11 AM
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#2
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Full Member  Group: Members Posts: 103 Joined: 17-March 05 Member No.: 3,858 Status: Location: Washington, DC Drives: 2003 S60, 1989 740 sedan |
Hi,
Auto Zone has some nice how-to guides on line -- I have the site saved for my 89 740. If you cut and paste, the address below should take you to the firing order, with diagrams for various engines. Hope this helps! Ed http://www.autozone.com/servlet/UiBroker?F...23d801d834e.jsp |
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Jul 11 2005, 10:15 AM
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#3
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Newbie Group: Members Posts: 18 Joined: 16-June 05 Member No.: 5,538 Status: Location: Nashville, TN Drives: 1989 Volvo 740 Turbo |
Thanks Edin, but my distributor isn't circular like those. All the sockets are in line with each other. Do you know from left to right (looking from the front of the car) which go to the plugs from back to front?
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Jul 11 2005, 06:36 PM
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#4
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Newbie Group: Members Posts: 18 Joined: 16-June 05 Member No.: 5,538 Status: Location: Nashville, TN Drives: 1989 Volvo 740 Turbo |
Ok, in case anyone else is looking for this info, here is the answer.
If you are standing in front of the car looking into the engine bay, the distributor cap has 4 plugs from left to right. The engine plugs are numbered from the rear (1, closest to firewall) to the very front (4, closest to radiator) . . . 1 . . 2 . . 3 . . 4 . . . | . . | . . | . . | 1-----| . . | . . | . . | . . . . . . | . . | . . | 2-----------| . . | . . | . . . . . . . . . | . . | 3-----------------------| . . . . . . . . . | 4-----------------| The 3 and 4 wires are swapped, which is what threw me off. Hope this is helpful to somebody. Nathan |
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Jul 11 2005, 07:13 PM
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#5
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Newbie Group: Members Posts: 16 Joined: 10-July 05 Member No.: 6,094 Status: Location: Durham, NC Drives: 93 945 T |
actually cylinder number FOUR is closest to the fire wall. on the dist from front of car left to right order is 4312 according to my 93 940 ( which is the same as yours.
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