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Highlander General discussion forum for the Toyota Highlander and Highlander Hybrid.

This is a discussion thread titled "Electrical Modifications", within the Highlander forum, part of the SUV Forums category.


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Old 02-25-2006, 03:56 PM
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Default Electrical Modifications

I'm looking to see if any one had made either of these modifications or would like to comment on my thoughts.

1. I'd like to have my cigarette lighter powered on at all time so that I can charge batteries and cellphones while the ignition is off and the car is locked. I understand I do this at some small chance of running down my battery. A review of the wiring diagram does not reveal any easy place to make a change to a relay that would create this condition.

2. I want to use the cruise control on light to trigger an external relay. (I won't explain for what, it would take too much time to explain). Again, a review of the wiring diagram is not clear as to what lead this is. I think I'm dealing with the red-blue wire from the 'combination meter'. The diagram does not show the master control switch or the light, so I'm not sure. Anyone experienced with this system?

HS Windham NH
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Old 02-25-2006, 04:35 PM
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Default Re: Electrical Modifications

Quote:
Originally Posted by hshannon
I'm looking to see if any one had made either of these modifications or would like to comment on my thoughts.

1. I'd like to have my cigarette lighter powered on at all time so that I can charge batteries and cellphones while the ignition is off and the car is locked. I understand I do this at some small chance of running down my battery. A review of the wiring diagram does not reveal any easy place to make a change to a relay that would create this condition.

2. I want to use the cruise control on light to trigger an external relay. (I won't explain for what, it would take too much time to explain). Again, a review of the wiring diagram is not clear as to what lead this is. I think I'm dealing with the red-blue wire from the 'combination meter'. The diagram does not show the master control switch or the light, so I'm not sure. Anyone experienced with this system?

HS Windham NH
1 - If instead of the cigarette lighter you choose the power outlets you could mod the ACC relay to be permanently in a closed state. Normally it is only closed with the ignition SW at ACC or ON position. For the cig lighter tou would need to run a fused wire from the battery bypassing the 15A CIG fuse and connect to the pink wire on the c9 cig lighter connector.

2 - Yes check the Red/Blue between the Combination meter and the Cruise Control ECU with a meter.
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