INSTALLATION 1. Disconnect the negative battery cable {East) from the starting battery Note: To prevent the doss of the vesicle's electronic memory, preset radii and security codes 1t is recommended that an ‘Electrical System Memory Protector’ {PNo. (P5700} ba used. 2. Securely mount the VIR in a convenient location. mount as far away as possible from the exhaust manifold, turbo or any chert high temperature components. Do not mount on the engines. 3.